7/x=2/4

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Solution for 7/x=2/4 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 2/4 // - 2/4

7/x-(2/4) = 0

7/x-1/2 = 0

7*x^-1 = 1/2 // : 7

x^-1 = 1/14

-1 < 0

1/(x^1) = 1/14 // * x^1

1 = 1/14*x^1 // : 1/14

14 = x^1

x = 14

x = 14

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