12x-12=10x+9

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Solution for 12x-12=10x+9 equation: 



12x-12=10x+9

We move all terms to the left:

12x-12-(10x+9)=0

We get rid of parentheses

12x-10x-9-12=0

We add all the numbers together, and all the variables

2x-21=0

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

2x=21

x=21/2

x=10+1/2

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