19=-(3b-4)

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Solution for 19=-(3b-4) equation: 



19=-(3b-4)

We move all terms to the left:

19-(-(3b-4))=0



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

-(3b-4)

We get rid of parentheses

-3b+4

Back to the equation:

-(-3b+4)



We get rid of parentheses

3b-4+19=0

We add all the numbers together, and all the variables

3b+15=0

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

3b=-15

b=-15/3

b=-5

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