# How do you find the value of a-b if a=5 and b=9?

May 24, 2018

$a - b = - 4$

#### Explanation:

$\text{substitute the given values for a and b into the }$
$\text{expression and evaluate}$

$a - b = \textcolor{red}{5} - \textcolor{b l u e}{9} = - 4$