90=2(x-10)

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Solution for 90=2(x-10) equation: 



90=2(x-10)

We move all terms to the left:

90-(2(x-10))=0



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

2(x-10)

We multiply parentheses

2x-20

Back to the equation:

-(2x-20)



We get rid of parentheses

-2x+20+90=0

We add all the numbers together, and all the variables

-2x+110=0

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

-2x=-110

x=-110/-2

x=+55

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