adrianaclaytonn adrianaclaytonn

22-02-2017
Mathematics

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how do i do this?? Can you please help ? :)

how do i do this Can you please help class=

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Аноним Аноним

22-02-2017

-3(b-4) = -2b
-3b + 12 = -2b
-3b + 3b + 12 = -2b + 3b
12 = b

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