-7r-2r=2

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Solution for -7r-2r=2 equation: 



-7r-2r=2

We move all terms to the left:

-7r-2r-(2)=0

We add all the numbers together, and all the variables

-9r-2=0

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

-9r=2

r=2/-9

r=-2/9

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