-6-r-9=18+r

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Solution for -6-r-9=18+r equation: 



-6-r-9=18+r

We move all terms to the left:

-6-r-9-(18+r)=0

We add all the numbers together, and all the variables

-r-(r+18)-6-9=0

We add all the numbers together, and all the variables

-1r-(r+18)-15=0

We get rid of parentheses

-1r-r-18-15=0

We add all the numbers together, and all the variables

-2r-33=0

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

-2r=33

r=33/-2

r=-16+1/2

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