90=(3x-10)+2x

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Solution for 90=(3x-10)+2x equation: 



90=(3x-10)+2x

We move all terms to the left:

90-((3x-10)+2x)=0



We calculate terms in parentheses: -((3x-10)+2x), so:

(3x-10)+2x

We add all the numbers together, and all the variables

2x+(3x-10)

We get rid of parentheses

2x+3x-10

We add all the numbers together, and all the variables

5x-10

Back to the equation:

-(5x-10)



We get rid of parentheses

-5x+10+90=0

We add all the numbers together, and all the variables

-5x+100=0

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

-5x=-100

x=-100/-5

x=+20

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