-28+7b=-2(b-2)+4

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Solution for -28+7b=-2(b-2)+4 equation: 



-28+7b=-2(b-2)+4

We move all terms to the left:

-28+7b-(-2(b-2)+4)=0



We calculate terms in parentheses: -(-2(b-2)+4), so:

-2(b-2)+4

We multiply parentheses

-2b+4+4

We add all the numbers together, and all the variables

-2b+8

Back to the equation:

-(-2b+8)



We get rid of parentheses

7b+2b-8-28=0

We add all the numbers together, and all the variables

9b-36=0

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

9b=36

b=36/9

b=4

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