# How do you evaluate #b-absa# when a=5, b=6?

##### 1 Answer

Mar 5, 2018

1

This requires substitution and knowledge of absolute values.

#### Explanation:

The absolute value of a number is the number without the sign out front. In other words all positive numbers stay positive, and all negative numbers become positive.

Knowing this, all we have to do is plug in and subtract: