Ari1985 Ari1985

23-09-2016
Mathematics

contestada

help b/13-3b/13=8/13

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needmoreknowledge11 needmoreknowledge11

25-09-2016

b=-4 because you would cancel out all the 13's then get b-3b=8 and you would combine like terms (b-3b) and get -2b=8 last divide both sides by -2 and get b=-4.

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