Question

5(3b-3)-3(3b-7) = 12​

Answer 1

Answer:

5 (3b-3) -3 (3b-7) = 12

15b - 15 - 9b + 21 = 12

6b + 6 = 12

6b = 6

b = 1

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Answer 2

Answer:

15b-15-9b+21=12

6b-6=12

6b=12-6

6b=6

b=6/6

b=1