-(-x)=-9

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



-(-x)=-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-1x)-(-9)=0

We add all the numbers together, and all the variables

-(-1x)+9=0

We get rid of parentheses

1x+9=0

We add all the numbers together, and all the variables

x+9=0

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

x=-9

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