(2/x)-(1/y)=-(15/28)

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Solution for (2/x)-(1/y)=-(15/28) equation: 


D( x )

x = 0

x = 0

x = 0

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

2/x-(1/y) = -(15/28) // + 15/28

2/x-(1/y)+15/28 = 0

2/x-y^-1+15/28 = 0

2*x^-1 = -(15/28-y^-1) // : 2

x^-1 = (y^-1-15/28)/2

-1 < 0

1/(x^1) = (y^-1-15/28)/2 // * x^1

1 = x^1*((y^-1-15/28)/2) // : (y^-1-15/28)/2

2*(y^-1-15/28)^-1 = x^1

x = 2*(y^-1-15/28)^-1

x = 2*(y^-1-15/28)^-1

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