# How do you solve 18 = -8x - x?

May 7, 2018

$x = - 2$

#### Explanation:

$18 = - 8 x - x$

add $x$ terms together:

$18 = - 9 x$

divide both sides by $- 9$

$\frac{18}{-} 9 = \frac{- 9 x}{-} 9$

$\frac{18}{-} 9 = \frac{\cancel{- 9} x}{\cancel{- 9}}$

$x = \frac{18}{-} 9$

$x = - 2$