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-3.54(0.6-3.5r)=6.6r+12.93
We move all terms to the left:
-3.54(0.6-3.5r)-(6.6r+12.93)=0
We add all the numbers together, and all the variables
-3.54(-3.5r+0.6)-(6.6r+12.93)=0
We multiply parentheses
10.62r-(6.6r+12.93)-2.124=0
We get rid of parentheses
10.62r-6.6r-12.93-2.124=0
We add all the numbers together, and all the variables
4.02r-15.054=0
We move all terms containing r to the left, all other terms to the right
4.02r=15.054
r=15.054/4.02
r=3+1/1.3426853707415
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