x-12+9x=15-7x-3x-7

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Solution for x-12+9x=15-7x-3x-7 equation: 



x-12+9x=15-7x-3x-7

We move all terms to the left:

x-12+9x-(15-7x-3x-7)=0

We add all the numbers together, and all the variables

x+9x-(-10x+8)-12=0

We add all the numbers together, and all the variables

10x-(-10x+8)-12=0

We get rid of parentheses

10x+10x-8-12=0

We add all the numbers together, and all the variables

20x-20=0

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

20x=20

x=20/20

x=1

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