# Can you combine like terms?

## $19 s + 3 \left(3 s - 12\right)$

Apr 8, 2018

You can, start off with $19 s + 3 \left(3 s - 12\right)$

$19 s + 9 s - 36$

$28 s - 36$

Apr 8, 2018

$28 s - 36$

#### Explanation:

Use the distributive property to get rid of the parentheses first:

$19 s + 3 \left(3 s - 12\right)$

$19 s + 3 \cdot 3 s - 12 \cdot 3$

$19 s + 9 s - 36 \rightarrow 19 s$ and $9 s$ can be combined to form one coefficient and a variable

$28 s - 36$

Jul 24, 2018

$28 s - 36$

#### Explanation:

Let's first distribute the $3$ to the parenthesis to get

$19 s + 9 s - 36$

We see we have two $s$ terms, so we can combine them to get

$28 s - 36$

Hope this helps!