9x-9x-22=7x-21

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Solution for 9x-9x-22=7x-21 equation: 



9x-9x-22=7x-21

We move all terms to the left:

9x-9x-22-(7x-21)=0

We add all the numbers together, and all the variables

-(7x-21)-22=0

We get rid of parentheses

-7x+21-22=0

We add all the numbers together, and all the variables

-7x-1=0

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

-7x=1

x=1/-7

x=-1/7

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