-4(3b-7)=4(2+2b)

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Solution for -4(3b-7)=4(2+2b) equation: 



-4(3b-7)=4(2+2b)

We move all terms to the left:

-4(3b-7)-(4(2+2b))=0

We add all the numbers together, and all the variables

-4(3b-7)-(4(2b+2))=0

We multiply parentheses

-12b-(4(2b+2))+28=0



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

4(2b+2)

We multiply parentheses

8b+8

Back to the equation:

-(8b+8)



We get rid of parentheses

-12b-8b-8+28=0

We add all the numbers together, and all the variables

-20b+20=0

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

-20b=-20

b=-20/-20

b=1

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