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2x/21+4/7=5x/3
We move all terms to the left:
2x/21+4/7-(5x/3)=0
We add all the numbers together, and all the variables
2x/21-(+5x/3)+4/7=0
We get rid of parentheses
2x/21-5x/3+4/7=0
We calculate fractions
There is no solution for this equation
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