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.1r-1=0.65
We move all terms to the left:
.1r-1-(0.65)=0
We add all the numbers together, and all the variables
.1r-1.65=0
We move all terms containing r to the left, all other terms to the right
.1r=1.65
r=1.65/.1
r=16+0.05/.1
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