# How do you solve 5x + 2( 5x + 9) = 168?

Aug 13, 2017

$5 x + 2 \left(5 x + 9\right) = 168$

$5 x + 10 x + 18 = 168$

$15 x + 18 = 168$

$15 x + 18 - 18 = 168 - 18$

$15 x = 150$

$\frac{15 x}{15 x} = \frac{150}{15 x}$

$x = 10$