|-6|+|3| I really don't get it do I simply find the sum our is it something different plz explain

asked Nov 20, 2015 115k views

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|-6|+|3| I really don't get it do I simply find the sum our is it

something different plz explain

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9 because anything in the absolute value signs can't be negative, so it would be 6 + 3 = 9

Rick Lee answered Nov 23, 2015

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$|a|= \left\{\begin{array}{ccc}a&if\ a\geq0\\-a&if\ a < 0\end{array}\right\\\\|-3|=3\\|\ 0\ |=0\\|\ 6\ |=6\\|-100|=100\\\\\\|-6|+|\ 3\ |=6+3=9$

Tanvir Ather answered Nov 26, 2015

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