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3/7-r=3/15
We move all terms to the left:
3/7-r-(3/15)=0
We add all the numbers together, and all the variables
-r+3/7-(+3/15)=0
We add all the numbers together, and all the variables
-1r+3/7-(+3/15)=0
We get rid of parentheses
-1r+3/7-3/15=0
We calculate fractions
There is no solution for this equation
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