-21=4b+19-(-6)

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Solution for -21=4b+19-(-6) equation: 



-21=4b+19-(-6)

We move all terms to the left:

-21-(4b+19-(-6))=0



We calculate terms in parentheses: -(4b+19-(-6)), so:

4b+19-(-6)

We add all the numbers together, and all the variables

4b+25

Back to the equation:

-(4b+25)



We get rid of parentheses

-4b-25-21=0

We add all the numbers together, and all the variables

-4b-46=0

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

-4b=46

b=46/-4

b=-11+1/2

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