90=20+(6x-2)

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Solution for 90=20+(6x-2) equation: 



90=20+(6x-2)

We move all terms to the left:

90-(20+(6x-2))=0



We calculate terms in parentheses: -(20+(6x-2)), so:

20+(6x-2)

determiningTheFunctionDomain
(6x-2)+20

We get rid of parentheses

6x-2+20

We add all the numbers together, and all the variables

6x+18

Back to the equation:

-(6x+18)



We get rid of parentheses

-6x-18+90=0

We add all the numbers together, and all the variables

-6x+72=0

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

-6x=-72

x=-72/-6

x=+12

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