7x-(x-13)=2x-(12+x)

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Solution for 7x-(x-13)=2x-(12+x) equation: 



7x-(x-13)=2x-(12+x)

We move all terms to the left:

7x-(x-13)-(2x-(12+x))=0

We add all the numbers together, and all the variables

7x-(x-13)-(2x-(x+12))=0

We get rid of parentheses

7x-x-(2x-(x+12))+13=0



We calculate terms in parentheses: -(2x-(x+12)), so:

2x-(x+12)

We get rid of parentheses

2x-x-12

We add all the numbers together, and all the variables

x-12

Back to the equation:

-(x-12)



We add all the numbers together, and all the variables

6x-(x-12)+13=0

We get rid of parentheses

6x-x+12+13=0

We add all the numbers together, and all the variables

5x+25=0

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

5x=-25

x=-25/5

x=-5

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