-7(5-b)+5=-86

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Solution for -7(5-b)+5=-86 equation: 



-7(5-b)+5=-86

We move all terms to the left:

-7(5-b)+5-(-86)=0

We add all the numbers together, and all the variables

-7(-1b+5)+5-(-86)=0

We add all the numbers together, and all the variables

-7(-1b+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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