-12-20x=-6x+9

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Solution for -12-20x=-6x+9 equation: 



-12-20x=-6x+9

We move all terms to the left:

-12-20x-(-6x+9)=0

We get rid of parentheses

-20x+6x-9-12=0

We add all the numbers together, and all the variables

-14x-21=0

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

-14x=21

x=21/-14

x=-1+1/2

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