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

9(b+7)= 72 what is the b
76.2k views
3 votes
9(b+7)= 72 what is the b

User Mehmet AKYOL
by
8.2k points

2 Answers

2 votes
9(b+7)=72
9(1+7)
9(8)
9*8=72
b=1
User Kirqe
by
8.7k points
7 votes
9b+63 = 72
9b = 9 (subtract 63 from both sides)
b = 1 (divide both sides by 9)
User Rafa Gomez
by
8.2k points
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