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2.8r=1.68r
We move all terms to the left:
2.8r-(1.68r)=0
We add all the numbers together, and all the variables
2.8r-(+1.68r)=0
We get rid of parentheses
2.8r-1.68r=0
We add all the numbers together, and all the variables
1.12r=0
r=0/1.12
r=0
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