2/x-1/y=3

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Solution for 2/x-1/y=3 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

2/x-(1/y) = 3 // - 3

2/x-(1/y)-3 = 0

2/x-y^-1-3 = 0

2*x^-1 = -(-y^-1-3) // : 2

x^-1 = (y^-1+3)/2

-1 < 0

1/(x^1) = (y^-1+3)/2 // * x^1

1 = x^1*((y^-1+3)/2) // : (y^-1+3)/2

2*(y^-1+3)^-1 = x^1

x = 2*(y^-1+3)^-1

x = 2*(y^-1+3)^-1

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