13-x+4=(x-7)

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Solution for 13-x+4=(x-7) equation: 



13-x+4=(x-7)

We move all terms to the left:

13-x+4-((x-7))=0

We add all the numbers together, and all the variables

-1x-((x-7))+17=0



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

(x-7)

We get rid of parentheses

x-7

Back to the equation:

-(x-7)



We get rid of parentheses

-1x-x+7+17=0

We add all the numbers together, and all the variables

-2x+24=0

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

-2x=-24

x=-24/-2

x=+12

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