20r-13r-3=11

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Solution for 20r-13r-3=11 equation: 



20r-13r-3=11

We move all terms to the left:

20r-13r-3-(11)=0

We add all the numbers together, and all the variables

7r-14=0

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

7r=14

r=14/7

r=2

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