12x+7+6x=2x-9

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Solution for 12x+7+6x=2x-9 equation: 



12x+7+6x=2x-9

We move all terms to the left:

12x+7+6x-(2x-9)=0

We add all the numbers together, and all the variables

18x-(2x-9)+7=0

We get rid of parentheses

18x-2x+9+7=0

We add all the numbers together, and all the variables

16x+16=0

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

16x=-16

x=-16/16

x=-1

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