# How do you solve 2(a - 4) + 15 = 13?

Jun 17, 2015

color(red)(a = 3

#### Explanation:

$2 \left(a - 4\right) + 15 = 13$

$2 a - 8 + 15 = 13$
$2 a = 13 - 15 + 8$
$2 a = 6$
$a = \frac{6}{2}$
color(red)(a = 3