-(4b+7)=-(2b-5)

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Solution for -(4b+7)=-(2b-5) equation: 



-(4b+7)=-(2b-5)

We move all terms to the left:

-(4b+7)-(-(2b-5))=0

We get rid of parentheses

-4b-(-(2b-5))-7=0



We calculate terms in parentheses: -(-(2b-5)), so:

-(2b-5)

We get rid of parentheses

-2b+5

Back to the equation:

-(-2b+5)



We get rid of parentheses

-4b+2b-5-7=0

We add all the numbers together, and all the variables

-2b-12=0

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

-2b=12

b=12/-2

b=-6

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