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r/5.2=-18.6
We move all terms to the left:
r/5.2-(-18.6)=0
We add all the numbers together, and all the variables
r/5.2+18.6=0
We multiply all the terms by the denominator
r+(18.6)*5.2=0
We add all the numbers together, and all the variables
r+96.72=0
We move all terms containing r to the left, all other terms to the right
r=-96.72
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