-7(b+5)=7(-4b+4)

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Solution for -7(b+5)=7(-4b+4) equation: 



-7(b+5)=7(-4b+4)

We move all terms to the left:

-7(b+5)-(7(-4b+4))=0

We multiply parentheses

-7b-(7(-4b+4))-35=0



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

7(-4b+4)

We multiply parentheses

-28b+28

Back to the equation:

-(-28b+28)



We get rid of parentheses

-7b+28b-28-35=0

We add all the numbers together, and all the variables

21b-63=0

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

21b=63

b=63/21

b=3

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