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Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

If 20 = 6 +...

Question

If $20 = 6 + 2 x$ , then the value of $x$ is:

A

6

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B

9

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C

8

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D

7

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Solution

The correct option is C $7$
Given, $20 = 6 + 2 x$
Subtract $6$ on both the sides,
$20 - 6 = 6 + 2 x - 6$
$14 = 2 x$
Divide $2$ on both the sides, we get
$\frac{14}{2} = \frac{2 x}{2}$
$\Rightarrow x = 7$
Hence the answer is option $D$ .

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