08-04-2015
Mathematics

contestada

9(b+7)= 72 what is the b

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katrinecden katrinecden

08-04-2015

9b+63 = 72
9b = 9 (subtract 63 from both sides)
b = 1 (divide both sides by 9)

Answer Link

08-04-2015

9(b+7)=72
9(1+7)
9(8)
9*8=72
b=1

Answer Link

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