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15.46r+28.8=240.702
We move all terms to the left:
15.46r+28.8-(240.702)=0
We add all the numbers together, and all the variables
15.46r-211.902=0
We move all terms containing r to the left, all other terms to the right
15.46r=211.902
r=211.902/15.46
r=13+1.84430935495/2.6106045255
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