13-6b=-7(5b+7)+4

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Solution for 13-6b=-7(5b+7)+4 equation: 



13-6b=-7(5b+7)+4

We move all terms to the left:

13-6b-(-7(5b+7)+4)=0



We calculate terms in parentheses: -(-7(5b+7)+4), so:

-7(5b+7)+4

We multiply parentheses

-35b-49+4

We add all the numbers together, and all the variables

-35b-45

Back to the equation:

-(-35b-45)



We get rid of parentheses

-6b+35b+45+13=0

We add all the numbers together, and all the variables

29b+58=0

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

29b=-58

b=-58/29

b=-2

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