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Variable on Both Sides

Solve: 3x+1...

Question

Solve:
$3 (x + 1) = 6$

A

x = - 1

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B

x = \frac{1}{3}

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C

x = \frac{- 1}{3}

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D

x = 1

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Solution

The correct option is B $x = 1$
$3 (x + 1) = 6$

$\Rightarrow 3 x + 3 = 6$

$\Rightarrow 3 x = 3$

$\Rightarrow x = 1$

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