7b-b=15

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Solution for 7b-b=15 equation: 



7b-b=15

We move all terms to the left:

7b-b-(15)=0

We add all the numbers together, and all the variables

6b-15=0

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

6b=15

b=15/6

b=2+1/2

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