# How do you solve for x: 12 = -2(x+3)?

Jul 28, 2016

$x = - 9$

#### Explanation:

$12 = - 2 \left(x + 3\right)$
or
$12 = - 2 x - 6$
or
$2 x + 6 = - 12$
or
$2 \left(x + 3\right) = - 12$
or
$x + 3 = - \frac{12}{2}$
or
$x + 3 = - 6$
or
$x = - 6 - 3$
or
$x = - 9$