xcamayaxc xcamayaxc

06-09-2017
Mathematics

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don't just answer but explain how to do it please

dont just answer but explain how to do it please class=

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matthewphs857 matthewphs857

06-09-2017

12 - absolute value of -21 so with those two vertical lines it means it wants the absolute value of them which means that number but positive so AV of 12 - AV of -21 which basically means 12-21 which is -9

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