12/x=30/100

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Solution for 12/x=30/100 equation: 


D( x )

x = 0

x = 0

x = 0

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

12/x = 30/100 // - 30/100

12/x-(30/100) = 0

12/x-3/10 = 0

12*x^-1 = 3/10 // : 12

x^-1 = 1/40

-1 < 0

1/(x^1) = 1/40 // * x^1

1 = 1/40*x^1 // : 1/40

40 = x^1

x = 40

x = 40

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