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Anonymous
really????? what grade are you in??? 5b b=3 so you plug in 3 for b giving you 5(3) then you multiply because its multiplication and you get 15
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b= -162
(4, 3)
5b = 21 + 4b 5b - 4b = 21 + 4b - 4b b = 21
5b = 8 b = 8/5 or 1.6
-86