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22r-3.1=1.7
We move all terms to the left:
22r-3.1-(1.7)=0
We add all the numbers together, and all the variables
22r-4.8=0
We move all terms containing r to the left, all other terms to the right
22r=4.8
r=4.8/22
r=1.71428571429/7.85714285714
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