-6r-9=111

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Solution for -6r-9=111 equation: 



-6r-9=111

We move all terms to the left:

-6r-9-(111)=0

We add all the numbers together, and all the variables

-6r-120=0

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

-6r=120

r=120/-6

r=-20

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