-90=2(-5+5x)

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



-90=2(-5+5x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

2(5x-5)

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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