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Q.

What will be the value of x in 0.16(5x−2)=0.4x+7 ?


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a

1.85

b

1.83

c

1.82

d

1.87  

answer is B.

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Detailed Solution

We have to find the value of x in 0.16(5x−2)=0.4x+7 .
Solving,
Question Image Taking all x terms on one side and the constant terms to other side,
∴0.8x−0.32=0.4x+7 ⇒0.8x−0.4x=0.32+7 ⇒0.4x=7.32 ⇒x= 7.32 0.4 ⇒x=1.83 So, we get the required value of x as x=1.83 .
Therefore, option 2 is correct.
 
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