# How do you solve 9u - 16= 20?

Mar 13, 2018

See below

#### Explanation:

Step 1: $9 u - 16 = 20$
First, you add $16$ to both sides.
$9 u = 36$

Step 2: Now you need to divide both sides by $9$
So ${9}_{u} / 9 = \frac{36}{9}$

Step 3: ${9}_{u} / 9$ is $u$ and $\frac{36}{9}$ is $4$. So $u = 4$.

The answer is $4$.