13-6b=-b-5(3-7b)

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Solution for 13-6b=-b-5(3-7b) equation: 



13-6b=-b-5(3-7b)

We move all terms to the left:

13-6b-(-b-5(3-7b))=0

We add all the numbers together, and all the variables

-6b-(-b-5(-7b+3))+13=0



We calculate terms in parentheses: -(-b-5(-7b+3)), so:

-b-5(-7b+3)

We add all the numbers together, and all the variables

-1b-5(-7b+3)

We multiply parentheses

-1b+35b-15

We add all the numbers together, and all the variables

34b-15

Back to the equation:

-(34b-15)



We get rid of parentheses

-6b-34b+15+13=0

We add all the numbers together, and all the variables

-40b+28=0

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

-40b=-28

b=-28/-40

b=7/10

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