# How do you evaluate -abs20?

Jan 4, 2017

Use the definition of absolute value to evaluate $| 20 |$. Then, you add a negative sign to the answer.

#### Explanation:

The definition of absolute value is how far a number is from $0$. According to that definition, $| 20 |$ is $20$ because, on a number line, $20$ is $20$ spaces away from $0$.

$- | 20 | = - 20$