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Q.

Find an integer $x$ such that $x + 5 = 0.$

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a

-5

b

5

c

7

d

1

answer is A.

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Detailed Solution

The given equation is,

x + 5 = 0

Another form of a whole number is known as an “integer”. It cannot be a fraction. Integers can be of any type i.e. positive, negative, or zero.
Given, the unknown integer is

x

.
We know that the sign of the integers changes when we move the terms or addition or subtraction from the RHS to LHS or from the LHS to RHS.
Keeping the unknown integer to one side and the rest of the terms to the other side, we get,

x + 5 = 0 x = 0 + (− 5) x = 0 − 5 x = − 5

Thus, the value of the unknown integer is found to be -5.
Therefore the value of

x = − 5

such that

x + 5 = 0.

Hence option (1) is correct.

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Find an integer x such that x+5=0.