{"id":5305,"date":"2021-12-29T15:36:52","date_gmt":"2021-12-29T10:06:52","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=5305"},"modified":"2024-11-04T16:52:20","modified_gmt":"2024-11-04T11:22:20","slug":"ncert-solutions-for-class-7-maths-chapter-4-simple-equations","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-4-simple-equations\/","title":{"rendered":"NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-4-simple-equations\/#NCERT_Solutions_for_Class_7_Maths_Chapter_4_Simple_Equations\" title=\"NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations\">NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations<\/a><ul class='ez-toc-list-level-5'><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5'><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5'><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-4-simple-equations\/#What_are_the_often_asked_subjects_from_Chapter_4_of_NCERT_Solutions_in_the_Class_7_Maths_board_exam\" title=\"What are the often asked subjects from Chapter 4 of NCERT Solutions in the Class 7 Maths board exam? \">What are the often asked subjects from Chapter 4 of NCERT Solutions in the Class 7 Maths board exam? <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-4-simple-equations\/#Why_should_we_use_INFINITY_learns_to_get_NCERT_Solutions_for_Class_7_Maths_Chapter_4\" title=\"Why should we use INFINITY learns to get NCERT Solutions for Class 7 Maths Chapter 4?\">Why should we use INFINITY learns to get NCERT Solutions for Class 7 Maths Chapter 4?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-7\/maths\/chapter-4-simple-equations\/#Are_the_NCERT_Solutions_for_Class_7_Maths_Chapter_4_exam-worthy\" title=\"Are the NCERT Solutions for Class 7 Maths Chapter 4 exam-worthy?\">Are the NCERT Solutions for Class 7 Maths Chapter 4 exam-worthy?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_7_Maths_Chapter_4_Simple_Equations\"><\/span>NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:276}\"> <\/span><span data-contrast=\"none\">NCERT Solutions for Class 7 Maths Chapter 4 \u2013 Simple Equations covers four exercises. Let&#8217;s have a look at the main points covered in this chapter, which are listed below.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:276}\"> <\/span><\/p>\n<ol>\n<li><span data-contrast=\"none\">What is the definition of an Equation?<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">How to Solve an Equation?<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">Additional Equations?<\/span><\/li>\n<li><span data-contrast=\"none\">From Problem to Equation<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\">?<\/span><\/li>\n<li><span data-contrast=\"none\">The Use of Simple Equations in Real-Life Situations?<\/span><\/li>\n<\/ol>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><b><span data-contrast=\"none\">NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><\/p>\n\n\t\t<div class=\"download-pdf-container\">\n\t\t\t<span class=\"title\">Do you need help with your Homework? 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href=\"\/surge\/?pdfemb-serveurl=https%3A%2F%2Finfinitylearn.com%2Fsurge%2Fwp-content%2Fuploads%2Fsecurepdfs%2F2022%2F05%2F4.-Simple-Equations.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-mobile-width=\"0\"  data-scrollbar=\"both\" data-download=\"off\" data-tracking=\"on\" data-newwindow=\"on\" data-pagetextbox=\"off\" data-scrolltotop=\"on\" data-startzoom=\"100\" data-startfpzoom=\"100\" data-download-nonce=\"adc889ee72\" data-disablerightclick=\"on\" data-toolbar=\"top\" data-toolbar-fixed=\"on\">4. Simple Equations<br\/><\/a>\n<p><b><span data-contrast=\"none\">NCERT Solutions for Class 7 Maths Chapter 4 <\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:360,&quot;335559739&quot;:120,&quot;335559740&quot;:331}\"> <\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><\/p>\n<p><strong>Facts 1<\/strong><\/p>\n<ul>\n<li><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><span data-contrast=\"none\">A variable can take on a variety of numerical values, but a constant always has the same number.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">A statement of a variable in which two expressions in the variable should have equal value is called an equation.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">If the L.H.S. and R.H.S. of an equation are swapped, the equation remains unchanged.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">A number is transposed when it is moved to the opposite side.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">When we do the following, the equations stay unchanged:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<\/ul>\n<p><strong> Facts 2<\/strong><\/p>\n<ul>\n<li><span data-contrast=\"none\">To both sides, add the same number.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:1440,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">Remove the equal amount from both sides.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:1440,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">Both sides should be multiplied by the same number.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:1440,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-contrast=\"none\">Both sides should be divided by the same number.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:1440,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<li><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><span data-contrast=\"none\">The sign of a number changes when it is transposed from one side of an equation to the other.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276}\"> <\/span><b><span data-contrast=\"none\">Variable<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><span data-contrast=\"none\">As we&#8217;ve just seen, the variable isn&#8217;t fixed, which means its numerical value varies. Letters of the alphabet such as l, m, n, p, q, r, s, u, v, x, y, and z are used to represent these variables. Expressions are produced when we perform operations on variables such as addition, subtraction, multiplication, and division.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:276}\"> <\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"\" data-listid=\"13\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">The value of an expression is determined by the variable&#8217;s value. A monomial expression is one in which there is just one term in the expression.<\/span><\/li>\n<li data-leveltext=\"\u25cf\" data-font=\"\" data-listid=\"13\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\">When an expression has two terms, it is called a binomial expression.<\/li>\n<li data-leveltext=\"\u25cf\" data-font=\"\" data-listid=\"13\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\">When an expression has three terms, it is called a trinomial expression.<\/li>\n<li data-leveltext=\"\u25cf\" data-font=\"\" data-listid=\"13\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\">An expression with four terms is called a polynomial expression.<span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\"> <\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-180934 size-medium\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/NCERT-Solutions-Maths-300x200.webp\" alt=\"Chapter 4 Simple Equations\" width=\"300\" height=\"200\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/NCERT-Solutions-Maths-300x200.webp 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/NCERT-Solutions-Maths-768x512.webp 768w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/NCERT-Solutions-Maths.webp 996w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><b><span data-contrast=\"none\">NOTE: <\/span><\/b><span data-contrast=\"none\">There can be numerous terms in a polynomial expression, but none of them can have a negative exponent for any variable.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:276}\"> <\/span><b><span data-contrast=\"auto\">Frequently Asked Questions<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559738&quot;:300,&quot;335559739&quot;:160,&quot;335559740&quot;:264}\"> <\/span><\/p>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h5><span class=\"ez-toc-section\" id=\"What_are_the_often_asked_subjects_from_Chapter_4_of_NCERT_Solutions_in_the_Class_7_Maths_board_exam\"><\/span>What are the often asked subjects from Chapter 4 of NCERT Solutions in the Class 7 Maths board exam? <span class=\"ez-toc-section-end\"><\/span><\/h5>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tWhat is an equation, solving an equation, more equations, from solution to an equation, and applications of simple equations to actual situations are some of the frequently asked topics in chapter 4 of NCERT Solutions in the Class 7 Maths board exam.  \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h5><span class=\"ez-toc-section\" id=\"Why_should_we_use_INFINITY_learns_to_get_NCERT_Solutions_for_Class_7_Maths_Chapter_4\"><\/span>Why should we use INFINITY learns to get NCERT Solutions for Class 7 Maths Chapter 4?<span class=\"ez-toc-section-end\"><\/span><\/h5>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tFor the questions in NCERT Solutions for Class 7 Maths Chapter 4, INFINITY learns delivers the most exact answers. These solutions are available in PDF format and can be viewed online. Experts explain the solutions to this chapter's problems in detail, with neat diagrams where necessary.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h5><span class=\"ez-toc-section\" id=\"Are_the_NCERT_Solutions_for_Class_7_Maths_Chapter_4_exam-worthy\"><\/span>Are the NCERT Solutions for Class 7 Maths Chapter 4 exam-worthy?<span class=\"ez-toc-section-end\"><\/span><\/h5>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tYes, all of the chapters in the NCERT Solutions for Class 7 Maths are crucial for both board exams and higher grades. To get good grades, students should practice all of the questions in NCERT Solutions for Class 7 Maths Chapter 4.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are the often asked subjects from Chapter 4 of NCERT Solutions in the Class 7 Maths board exam? \",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"What is an equation, solving an equation, more equations, from solution to an equation, and applications of simple equations to actual situations are some of the frequently asked topics in chapter 4 of NCERT Solutions in the Class 7 Maths board exam.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why should we use INFINITY learns to get NCERT Solutions for Class 7 Maths Chapter 4?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"For the questions in NCERT Solutions for Class 7 Maths Chapter 4, INFINITY learns delivers the most exact answers. These solutions are available in PDF format and can be viewed online. Experts explain the solutions to this chapter's problems in detail, with neat diagrams where necessary.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Are the NCERT Solutions for Class 7 Maths Chapter 4 exam-worthy?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Yes, all of the chapters in the NCERT Solutions for Class 7 Maths are crucial for both board exams and higher grades. To get good grades, students should practice all of the questions in NCERT Solutions for Class 7 Maths Chapter 4.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations NCERT Solutions for Class 7 Maths Chapter 4 \u2013 Simple [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Chapter 4 Simple Equations","_yoast_wpseo_title":"Chapter 4 Simple Equations NCERT Solutions for Class 7 Maths","_yoast_wpseo_metadesc":"NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations. 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