-90=-5(2+2x)

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



-90=-5(2+2x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-5(2x+2)

We multiply parentheses

-10x-10

Back to the equation:

-(-10x-10)



We get rid of parentheses

10x+10-90=0

We add all the numbers together, and all the variables

10x-80=0

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

10x=80

x=80/10

x=8

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