Question

divide by -1 on both sides.
$x + 2(7 - x) = 12$
$x + 14 - 2x = 12$
$-x + 14 = 12$
$-x = -2$
$x = ?$

Explanation:

Step1: Divide by -1 on both sides

$\frac{-x}{-1} = \frac{-2}{-1}$

Step2: Simplify to solve for x

$x=2$

Answer:

$x=2$