(90-9x)-(9x+9)=27

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Solution for (90-9x)-(9x+9)=27 equation: 



(90-9x)-(9x+9)=27

We move all terms to the left:

(90-9x)-(9x+9)-(27)=0

We add all the numbers together, and all the variables

(-9x+90)-(9x+9)-27=0

We get rid of parentheses

-9x-9x+90-9-27=0

We add all the numbers together, and all the variables

-18x+54=0

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

-18x=-54

x=-54/-18

x=+3

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