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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



We calculate terms in parentheses: -(2x-(x-7)), so:

2x-(x-7)

We get rid of parentheses

2x-x+7

We add all the numbers together, and all the variables

x+7

Back to the equation:

-(x+7)



We add all the numbers together, and all the variables

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

We get rid of parentheses

6x-x-7+12=0

We add all the numbers together, and all the variables

5x+5=0

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

5x=-5

x=-5/5

x=-1

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