15/2=75/x

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Solution for 15/2=75/x equation: 


D( x )

x = 0

x = 0

x = 0

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

15/2 = 75/x // - 75/x

15/2-(75/x) = 0

15/2-75*x^-1 = 0

-75*x^-1 = -15/2 // : -75

x^-1 = 1/10

-1 < 0

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

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

10 = x^1

x = 10

x = 10

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