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1/2u-3/7=-1/5
We move all terms to the left:
1/2u-3/7-(-1/5)=0
Domain of the equation: 2u!=0We get rid of parentheses
u!=0/2
u!=0
u∈R
1/2u-3/7+1/5=0
We calculate fractions
There is no solution for this equation
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