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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(7x-7)-12=0

We get rid of parentheses

-7x+7-12=0

We add all the numbers together, and all the variables

-7x-5=0

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

-7x=5

x=5/-7

x=-5/7

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