7(3b+6)=72

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Solution for 7(3b+6)=72 equation: 



7(3b+6)=72

We move all terms to the left:

7(3b+6)-(72)=0

We multiply parentheses

21b+42-72=0

We add all the numbers together, and all the variables

21b-30=0

We move all terms containing b to the left, all other terms to the right

21b=30

b=30/21

b=1+3/7

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