# How do you solve 15a + 6b - 12a - 8b?

Jul 23, 2015

=color(blue)(3a -2b

#### Explanation:

The expression can be simplified by grouping like terms:

$15 a + 6 b - 12 a - 8 b$

$= \textcolor{b l u e}{\left(15 a - 12 a\right)} + 6 b - 8 b$

=color(blue)(3a -2b