8+7b=-(-5b-4)

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Solution for 8+7b=-(-5b-4) equation: 



8+7b=-(-5b-4)

We move all terms to the left:

8+7b-(-(-5b-4))=0



We calculate terms in parentheses: -(-(-5b-4)), so:

-(-5b-4)

We get rid of parentheses

5b+4

Back to the equation:

-(5b+4)



We get rid of parentheses

7b-5b-4+8=0

We add all the numbers together, and all the variables

2b+4=0

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

2b=-4

b=-4/2

b=-2

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