20r-12=r

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Solution for 20r-12=r equation: 



20r-12=r

We move all terms to the left:

20r-12-(r)=0

We add all the numbers together, and all the variables

19r-12=0

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

19r=12

r=12/19

r=12/19

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