# How do you solve 3|x + 5| + 4 = 7?

$x = - 4$ or $x = - 6$
From $3 \left\mid x + 5 \right\mid + 4 = 7$ we conclude that $\left\mid x + 5 \right\mid = 1$
$x + 5 = 1$ or $x + 5 = - 1$ then we found two solutions:
$x = - 4$ or $x = - 6$