# How do you solve 3(x - 4) = 15?

May 15, 2016

$x = 9$

#### Explanation:

$3 \left(x - 4\right) = 1 5$

$3 \cdot \left(x\right) + 3 \cdot \left(- 4\right) = 1 5$

$3 x - 12 = 1 5$

$3 x = 1 5 + 12$

$3 x = 27$

$x = \frac{27}{3}$

$x = 9$