8/x-2/y=-4

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Solution for 8/x-2/y=-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x-(2/y) = -4 // + 4

8/x-(2/y)+4 = 0

8/x-2*y^-1+4 = 0

8*x^-1 = -(4-2*y^-1) // : 8

x^-1 = (-(4-2*y^-1))/8

-1 < 0

1/(x^1) = (-(4-2*y^-1))/8 // * x^1

1 = x^1*((-(4-2*y^-1))/8) // : (-(4-2*y^-1))/8

-8*(4-2*y^-1)^-1 = x^1

x = -8*(4-2*y^-1)^-1

x = -8*(4-2*y^-1)^-1

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