-4b-4=-8(2b-10)

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Solution for -4b-4=-8(2b-10) equation: 



-4b-4=-8(2b-10)

We move all terms to the left:

-4b-4-(-8(2b-10))=0



We calculate terms in parentheses: -(-8(2b-10)), so:

-8(2b-10)

We multiply parentheses

-16b+80

Back to the equation:

-(-16b+80)



We get rid of parentheses

-4b+16b-80-4=0

We add all the numbers together, and all the variables

12b-84=0

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

12b=84

b=84/12

b=7

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