90=(2x+9)+(3x+1)

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Solution for 90=(2x+9)+(3x+1) equation:



90=(2x+9)+(3x+1)
We move all terms to the left:
90-((2x+9)+(3x+1))=0
We calculate terms in parentheses: -((2x+9)+(3x+1)), so:
(2x+9)+(3x+1)
We get rid of parentheses
2x+3x+9+1
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+80=0
We move all terms containing x to the left, all other terms to the right
-5x=-80
x=-80/-5
x=+16

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