How do you simplify $abs(-7)$ ?

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Answer 1 · 2015-05-25T07:35:48

You can define the modulus of real numbers as follows:

$|x| = x$ if $x >= 0$

$|x| = -x$ if $x < 0$

So in the case of $|-7|$ we have

$-7 < 0$ so $|-7| = -(-7) = 7$

How do you simplify abs(-7)abs(-7)?