12/x=30

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Solution for 12/x=30 equation: 


D( x )

x = 0

x = 0

x = 0

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

12/x = 30 // - 30

12/x-30 = 0

12*x^-1 = 30 // : 12

x^-1 = 5/2

-1 < 0

1/(x^1) = 5/2 // * x^1

1 = 5/2*x^1 // : 5/2

2/5 = x^1

x = 2/5

x = 2/5

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