2y/x=-4

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Solution for 2y/x=-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

(2*y)/x+4 = 0

2*x^-1*y = -4 // : 2*y

x^-1 = -2*y^-1

-1 < 0

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

1 = -2*x^1*y^-1 // : -2*y^-1

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

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

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

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