12+2x-7+(-x)=-2

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Solution for 12+2x-7+(-x)=-2 equation: 



12+2x-7+(-x)=-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

2x+(-1x)+12-7-(-2)=0

We add all the numbers together, and all the variables

2x+(-1x)+7=0

We get rid of parentheses

2x-1x+7=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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