-19+2b=-7b-4(13-3b)

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Solution for -19+2b=-7b-4(13-3b) equation: 



-19+2b=-7b-4(13-3b)

We move all terms to the left:

-19+2b-(-7b-4(13-3b))=0

We add all the numbers together, and all the variables

2b-(-7b-4(-3b+13))-19=0



We calculate terms in parentheses: -(-7b-4(-3b+13)), so:

-7b-4(-3b+13)

We multiply parentheses

-7b+12b-52

We add all the numbers together, and all the variables

5b-52

Back to the equation:

-(5b-52)



We get rid of parentheses

2b-5b+52-19=0

We add all the numbers together, and all the variables

-3b+33=0

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

-3b=-33

b=-33/-3

b=+11

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