30/x=25/15

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Solution for 30/x=25/15 equation: 


D( x )

x = 0

x = 0

x = 0

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

30/x = 25/15 // - 25/15

30/x-(25/15) = 0

30/x-5/3 = 0

30*x^-1 = 5/3 // : 30

x^-1 = 1/18

-1 < 0

1/(x^1) = 1/18 // * x^1

1 = 1/18*x^1 // : 1/18

18 = x^1

x = 18

x = 18

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