1/x-1/y=7/2

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Solution for 1/x-1/y=7/2 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x-(1/y) = 7/2 // - 7/2

1/x-(1/y)-(7/2) = 0

1/x-y^-1-7/2 = 0

1*x^-1 = -(-y^-1-7/2) // : 1

x^-1 = y^-1+7/2

-1 < 0

1/(x^1) = y^-1+7/2 // * x^1

1 = x^1*(y^-1+7/2) // : y^-1+7/2

1/(y^-1+7/2) = x^1

x = 1/(y^-1+7/2)

x = 1/(y^-1+7/2)

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