90=3x+9+x-11

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Solution for 90=3x+9+x-11 equation: 



90=3x+9+x-11

We move all terms to the left:

90-(3x+9+x-11)=0

We add all the numbers together, and all the variables

-(4x-2)+90=0

We get rid of parentheses

-4x+2+90=0

We add all the numbers together, and all the variables

-4x+92=0

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

-4x=-92

x=-92/-4

x=+23

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