-6r-9=9

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Solution for -6r-9=9 equation: 



-6r-9=9

We move all terms to the left:

-6r-9-(9)=0

We add all the numbers together, and all the variables

-6r-18=0

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

-6r=18

r=18/-6

r=-3

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