4/x=2/7

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Solution for 4/x=2/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

4/x-(2/7) = 0

4/x-2/7 = 0

4*x^-1 = 2/7 // : 4

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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