9=-(r-5)=11

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Solution for 9=-(r-5)=11 equation: 



9=-(r-5)=11

We move all terms to the left:

9-(-(r-5))=0



We calculate terms in parentheses: -(-(r-5)), so:

-(r-5)

We get rid of parentheses

-r+5

We add all the numbers together, and all the variables

-1r+5

Back to the equation:

-(-1r+5)



We get rid of parentheses

1r-5+9=0

We add all the numbers together, and all the variables

r+4=0

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

r=-4

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