12=7x+6x-4x

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Solution for 12=7x+6x-4x equation: 



12=7x+6x-4x

We move all terms to the left:

12-(7x+6x-4x)=0

We add all the numbers together, and all the variables

-(+9x)+12=0

We get rid of parentheses

-9x+12=0

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

-9x=-12

x=-12/-9

x=1+1/3

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