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

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Answer 1 · 2016-03-24T00:29:32

$16$

$1$ . 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.

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

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