-19=-3(4b-7)

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



-19=-3(4b-7)

We move all terms to the left:

-19-(-3(4b-7))=0



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

-3(4b-7)

We multiply parentheses

-12b+21

Back to the equation:

-(-12b+21)



We get rid of parentheses

12b-21-19=0

We add all the numbers together, and all the variables

12b-40=0

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

12b=40

b=40/12

b=3+1/3

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