## Basic College Mathematics (9th Edition)

$x=-6$
We are given the equation $-12=3(x+2)$. First, we can use the distributive property to simplify the right side. $-12=3x+6$ Subtract 6 from both sides. $-12-6=3x+6-6$ $-18=3x$ Divide both sides by 3. $x=-6$