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+53.3(RR)=6.5
We move all terms to the left:
+53.3(RR)-(6.5)=0
We add all the numbers together, and all the variables
53.3RR-6.5=0
We move all terms containing R to the left, all other terms to the right
53.3RR=6.5
R=6.5/1
R=6.5
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