9=-(x-3)

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Solution for 9=-(x-3) equation: 



9=-(x-3)

We move all terms to the left:

9-(-(x-3))=0



We calculate terms in parentheses: -(-(x-3)), so:

-(x-3)

We get rid of parentheses

-x+3

We add all the numbers together, and all the variables

-1x+3

Back to the equation:

-(-1x+3)



We get rid of parentheses

1x-3+9=0

We add all the numbers together, and all the variables

x+6=0

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

x=-6

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