13r-10r-2r+3=9

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Solution for 13r-10r-2r+3=9 equation: 



13r-10r-2r+3=9

We move all terms to the left:

13r-10r-2r+3-(9)=0

We add all the numbers together, and all the variables

r-6=0

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

r=6

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