How do you simplify abs( -31+15)?

1 Answer
Mar 24, 2016

16

Explanation:

1. Within the bars of the equation, do the addition of -31 and 15.

|-31+15|

=|-16|

2. The bars indicate that the result is always positive. Thus, remove the negative sign as well as the bars.

=color(green)(|bar(ul(color(white)(a/a)16color(white)(a/a)|)))