## Precalculus (6th Edition)

$x = 12$ or $x = -16$
$|\frac{x+2}{2} | = 7$ $\frac{x+2}{2} =7$ or $\frac{x+2}{2} = - 7$ $x+2 = 14$ or $x+2 = - 14$ $x = 12$ or $x = -16$