-4-8b=-2(8+7b)

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Solution for -4-8b=-2(8+7b) equation: 



-4-8b=-2(8+7b)

We move all terms to the left:

-4-8b-(-2(8+7b))=0

We add all the numbers together, and all the variables

-8b-(-2(7b+8))-4=0



We calculate terms in parentheses: -(-2(7b+8)), so:

-2(7b+8)

We multiply parentheses

-14b-16

Back to the equation:

-(-14b-16)



We get rid of parentheses

-8b+14b+16-4=0

We add all the numbers together, and all the variables

6b+12=0

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

6b=-12

b=-12/6

b=-2

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