7+2-5=12x+3x-9x

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Solution for 7+2-5=12x+3x-9x equation: 



7+2-5=12x+3x-9x

We move all terms to the left:

7+2-5-(12x+3x-9x)=0

We add all the numbers together, and all the variables

-(+6x)+7+2-5=0

We add all the numbers together, and all the variables

-(+6x)+4=0

We get rid of parentheses

-6x+4=0

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

-6x=-4

x=-4/-6

x=2/3

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