90=(2x+20)+3x

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Solution for 90=(2x+20)+3x equation: 



90=(2x+20)+3x

We move all terms to the left:

90-((2x+20)+3x)=0



We calculate terms in parentheses: -((2x+20)+3x), so:

(2x+20)+3x

We add all the numbers together, and all the variables

3x+(2x+20)

We get rid of parentheses

3x+2x+20

We add all the numbers together, and all the variables

5x+20

Back to the equation:

-(5x+20)



We get rid of parentheses

-5x-20+90=0

We add all the numbers together, and all the variables

-5x+70=0

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

-5x=-70

x=-70/-5

x=+14

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