7(b-5)=-91

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Solution for 7(b-5)=-91 equation: 



7(b-5)=-91

We move all terms to the left:

7(b-5)-(-91)=0

We add all the numbers together, and all the variables

7(b-5)+91=0

We multiply parentheses

7b-35+91=0

We add all the numbers together, and all the variables

7b+56=0

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

7b=-56

b=-56/7

b=-8

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