-7(b-4)=(b-4)

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Solution for -7(b-4)=(b-4) equation: 



-7(b-4)=(b-4)

We move all terms to the left:

-7(b-4)-((b-4))=0

We multiply parentheses

-7b-((b-4))+28=0



We calculate terms in parentheses: -((b-4)), so:

(b-4)

We get rid of parentheses

b-4

Back to the equation:

-(b-4)



We get rid of parentheses

-7b-b+4+28=0

We add all the numbers together, and all the variables

-8b+32=0

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

-8b=-32

b=-32/-8

b=+4

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