12x-9=11x+20

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Solution for 12x-9=11x+20 equation: 



12x-9=11x+20

We move all terms to the left:

12x-9-(11x+20)=0

We get rid of parentheses

12x-11x-20-9=0

We add all the numbers together, and all the variables

x-29=0

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

x=29

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