-7(8b-1)=287

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Solution for -7(8b-1)=287 equation: 



-7(8b-1)=287

We move all terms to the left:

-7(8b-1)-(287)=0

We multiply parentheses

-56b+7-287=0

We add all the numbers together, and all the variables

-56b-280=0

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

-56b=280

b=280/-56

b=-5

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