b-9+7b=27

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Solution for b-9+7b=27 equation: 



b-9+7b=27

We move all terms to the left:

b-9+7b-(27)=0

We add all the numbers together, and all the variables

8b-36=0

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

8b=36

b=36/8

b=4+1/2

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