# How do you simplify 18n + 3y - 7n + 20y?

Dec 27, 2016

Put like terms together

#### Explanation:

$= \left(18 n - 7 n\right) + \left(3 y + 20 y\right)$
$= \left(19 - 7\right) n + \left(3 + 20\right) y$
$= 12 n + 23 y$