-90=-5(2b+2)

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Solution for -90=-5(2b+2) equation: 



-90=-5(2b+2)

We move all terms to the left:

-90-(-5(2b+2))=0



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

-5(2b+2)

We multiply parentheses

-10b-10

Back to the equation:

-(-10b-10)



We get rid of parentheses

10b+10-90=0

We add all the numbers together, and all the variables

10b-80=0

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

10b=80

b=80/10

b=8

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