9x-2x=12-9x

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Solution for 9x-2x=12-9x equation: 



9x-2x=12-9x

We move all terms to the left:

9x-2x-(12-9x)=0

We add all the numbers together, and all the variables

9x-2x-(-9x+12)=0

We add all the numbers together, and all the variables

7x-(-9x+12)=0

We get rid of parentheses

7x+9x-12=0

We add all the numbers together, and all the variables

16x-12=0

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

16x=12

x=12/16

x=3/4

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