18/x=30/20

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Solution for 18/x=30/20 equation: 


D( x )

x = 0

x = 0

x = 0

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

18/x = 30/20 // - 30/20

18/x-(30/20) = 0

18/x-3/2 = 0

18*x^-1 = 3/2 // : 18

x^-1 = 1/12

-1 < 0

1/(x^1) = 1/12 // * x^1

1 = 1/12*x^1 // : 1/12

12 = x^1

x = 12

x = 12

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