b-(-7)=15

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Solution for b-(-7)=15 equation: 



b-(-7)=15

We move all terms to the left:

b-(-7)-(15)=0

determiningTheFunctionDomain
b-15-(-7)=0

We add all the numbers together, and all the variables

b-8=0

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

b=8

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