9x-90=2x-81

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Solution for 9x-90=2x-81 equation: 



9x-90=2x-81

We move all terms to the left:

9x-90-(2x-81)=0

We get rid of parentheses

9x-2x+81-90=0

We add all the numbers together, and all the variables

7x-9=0

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

7x=9

x=9/7

x=1+2/7

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