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18.5r-17.33=15.4r+12.01+4.9r
We move all terms to the left:
18.5r-17.33-(15.4r+12.01+4.9r)=0
We add all the numbers together, and all the variables
18.5r-(20.3r+12.01)-17.33=0
We get rid of parentheses
18.5r-20.3r-12.01-17.33=0
We add all the numbers together, and all the variables
-1.8r-29.34=0
We move all terms containing r to the left, all other terms to the right
-1.8r=29.34
r=29.34/-1.8
r=-16+0.54/1.8
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