7-5(8b-7)=122

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Solution for 7-5(8b-7)=122 equation: 



7-5(8b-7)=122

We move all terms to the left:

7-5(8b-7)-(122)=0

We add all the numbers together, and all the variables

-5(8b-7)-115=0

We multiply parentheses

-40b+35-115=0

We add all the numbers together, and all the variables

-40b-80=0

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

-40b=80

b=80/-40

b=-2

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