84/x=2

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Solution for 84/x=2 equation: 


D( x )

x = 0

x = 0

x = 0

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

84/x = 2 // - 2

84/x-2 = 0

84*x^-1 = 2 // : 84

x^-1 = 1/42

-1 < 0

1/(x^1) = 1/42 // * x^1

1 = 1/42*x^1 // : 1/42

42 = x^1

x = 42

x = 42

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