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I need help with this one problem: Find b for (b-1)/4 = (7b+2)/12 I can't figure it out, please help!
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Anonymous
Multiply both sides by 12 which gives you 3b -3 = 7b +2 or -4b = 5 and so b = -5/4
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Anonymous
(b - 1)/4 = (7b + 2)/12 3(b - 1) = (7b + 2) 7b - 3b = -3 - 2 4b = -5 b = -5/4