X=-(x-9)

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Solution for X=-(x-9) equation: 



X=-(X-9)

We move all terms to the left:

X-(-(X-9))=0



We calculate terms in parentheses: -(-(X-9)), so:

-(X-9)

We get rid of parentheses

-X+9

We add all the numbers together, and all the variables

-1X+9

Back to the equation:

-(-1X+9)



We get rid of parentheses

X+1X-9=0

We add all the numbers together, and all the variables

2X-9=0

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

2X=9

X=9/2

X=4+1/2

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