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r/5.9=-12.9
We move all terms to the left:
r/5.9-(-12.9)=0
We add all the numbers together, and all the variables
r/5.9+12.9=0
We multiply all the terms by the denominator
r+(12.9)*5.9=0
We add all the numbers together, and all the variables
r+76.11=0
We move all terms containing r to the left, all other terms to the right
r=-76.11
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