-168=-7b-8(-4b-4)

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Solution for -168=-7b-8(-4b-4) equation: 



-168=-7b-8(-4b-4)

We move all terms to the left:

-168-(-7b-8(-4b-4))=0



We calculate terms in parentheses: -(-7b-8(-4b-4)), so:

-7b-8(-4b-4)

We multiply parentheses

-7b+32b+32

We add all the numbers together, and all the variables

25b+32

Back to the equation:

-(25b+32)



We get rid of parentheses

-25b-32-168=0

We add all the numbers together, and all the variables

-25b-200=0

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

-25b=200

b=200/-25

b=-8

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