3(b+15)-1=-1

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Solution for 3(b+15)-1=-1 equation: 



3(b+15)-1=-1

We move all terms to the left:

3(b+15)-1-(-1)=0

We add all the numbers together, and all the variables

3(b+15)=0

We multiply parentheses

3b+45=0

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

3b=-45

b=-45/3

b=-15

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