12x-10x=9+9x

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



12x-10x=9+9x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2x-(9x+9)=0

We get rid of parentheses

2x-9x-9=0

We add all the numbers together, and all the variables

-7x-9=0

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

-7x=9

x=9/-7

x=-1+2/7

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