Seudónimo Seudónimo

05-12-2016
Mathematics

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How would you do this? And please explain if you can....

How would you do this And please explain if you can class=

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skymarrie skymarrie

05-12-2016

first you take away 15 from 20 to get just one number on each side of the equal sign then you add those two so 3(15)=20 would end up being 15

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