3/-x=2/5

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Solution for 3/-x=2/5 equation: 


D( x )

-x = 0

-x = 0

x = 0

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

3/(-x) = 2/5 // - 2/5

3/(-x)-(2/5) = 0

3/(-x)-2/5 = 0

-3*x^-1 = 2/5 // : -3

x^-1 = -2/15

-1 < 0

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

1 = -2/15*x^1 // : -2/15

-15/2 = x^1

x = -15/2

x = -15/2

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