28-2b=5(-8-7b)-b

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Solution for 28-2b=5(-8-7b)-b equation: 



28-2b=5(-8-7b)-b

We move all terms to the left:

28-2b-(5(-8-7b)-b)=0

We add all the numbers together, and all the variables

-2b-(5(-7b-8)-b)+28=0



We calculate terms in parentheses: -(5(-7b-8)-b), so:

5(-7b-8)-b

We add all the numbers together, and all the variables

-1b+5(-7b-8)

We multiply parentheses

-1b-35b-40

We add all the numbers together, and all the variables

-36b-40

Back to the equation:

-(-36b-40)



We get rid of parentheses

-2b+36b+40+28=0

We add all the numbers together, and all the variables

34b+68=0

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

34b=-68

b=-68/34

b=-2

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