# Question #4e0b6

Sep 18, 2017

$n = 2$

#### Explanation:

You want all numbers on one side and variables on the other,
so to get rid of the $- 9$ from $- 9 n$, you have to bring the $9$ over.
HOWEVER, the only way to do so is to divide both sides by $- 9$.

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

$2 = n$