9/2=15/x

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Solution for 9/2=15/x equation: 


D( x )

x = 0

x = 0

x = 0

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

9/2 = 15/x // - 15/x

9/2-(15/x) = 0

9/2-15*x^-1 = 0

-15*x^-1 = -9/2 // : -15

x^-1 = 3/10

-1 < 0

1/(x^1) = 3/10 // * x^1

1 = 3/10*x^1 // : 3/10

10/3 = x^1

x = 10/3

x = 10/3

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