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.1=-3r+2r
We move all terms to the left:
.1-(-3r+2r)=0
We add all the numbers together, and all the variables
-(-1r)+.1=0
We add all the numbers together, and all the variables
-(-1r)+0.1=0
We get rid of parentheses
1r+0.1=0
We add all the numbers together, and all the variables
r+0.1=0
We move all terms containing r to the left, all other terms to the right
r=-0.1
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