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-6r+8r=2r-1
We move all terms to the left:
-6r+8r-(2r-1)=0
We add all the numbers together, and all the variables
2r-(2r-1)=0
We get rid of parentheses
2r-2r+1=0
We add all the numbers together, and all the variables
1!=0
There is no solution for this equation
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