-7b-16=-(4+3b)

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Solution for -7b-16=-(4+3b) equation: 



-7b-16=-(4+3b)

We move all terms to the left:

-7b-16-(-(4+3b))=0

We add all the numbers together, and all the variables

-7b-(-(3b+4))-16=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

-7b+3b+4-16=0

We add all the numbers together, and all the variables

-4b-12=0

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

-4b=12

b=12/-4

b=-3

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