-17r=-221

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Solution for -17r=-221 equation: 



-17r=-221

We move all terms to the left:

-17r-(-221)=0

We add all the numbers together, and all the variables

-17r+221=0

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

-17r=-221

r=-221/-17

r=+13

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