# How do you solve the inequality 3 | x + 5 | <21 ?

Dec 5, 2015

$x \in \left(- 12 , 2\right) \subset \mathbb{R}$
$| x + 5 | < 7$
$- 7 < x + 5 < 7$ // Subtract 5.
$- 12 < x < 2$