4/x+3/y=4

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Solution for 4/x+3/y=4 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x+3/y = 4 // - 4

4/x+3/y-4 = 0

4*x^-1 = -(3*y^-1-4) // : 4

x^-1 = (4-(3*y^-1))/4

-1 < 0

1/(x^1) = (4-(3*y^-1))/4 // * x^1

1 = x^1*((4-(3*y^-1))/4) // : (4-(3*y^-1))/4

4*(4-3*y^-1)^-1 = x^1

x = 4*(4-3*y^-1)^-1

x = 4*(4-3*y^-1)^-1

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