20r-17r=18

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Solution for 20r-17r=18 equation:



20r-17r=18
We move all terms to the left:
20r-17r-(18)=0
We add all the numbers together, and all the variables
3r-18=0
We move all terms containing r to the left, all other terms to the right
3r=18
r=18/3
r=6

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