90=6x+(5x-20)

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Solution for 90=6x+(5x-20) equation: 



90=6x+(5x-20)

We move all terms to the left:

90-(6x+(5x-20))=0



We calculate terms in parentheses: -(6x+(5x-20)), so:

6x+(5x-20)

We get rid of parentheses

6x+5x-20

We add all the numbers together, and all the variables

11x-20

Back to the equation:

-(11x-20)



We get rid of parentheses

-11x+20+90=0

We add all the numbers together, and all the variables

-11x+110=0

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

-11x=-110

x=-110/-11

x=+10

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