9x+11=11x-9

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



9x+11=11x-9

We move all terms to the left:

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

We get rid of parentheses

9x-11x+9+11=0

We add all the numbers together, and all the variables

-2x+20=0

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

-2x=-20

x=-20/-2

x=+10

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