# How do you solve -16+4a+7a=8a+a?

Apr 16, 2018

$a = 8$

#### Explanation:

$- 16 + 4 a + 7 a = 8 a + a$

1. Combine like terms
$- 16 + 11 a = 9 a$

2. Move the variable to one side
$- 16 = - 2 a$

3. Divide by $- 2$
$a = 8$