0=-(x+9)

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Solution for 0=-(x+9) equation: 



0=-(x+9)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-(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

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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