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