7/14=2/x

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Solution for 7/14=2/x equation: 


D( x )

x = 0

x = 0

x = 0

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

7/14 = 2/x // - 2/x

7/14-(2/x) = 0

7/14-2*x^-1 = 0

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

x^-1 = 1/4

-1 < 0

1/(x^1) = 1/4 // * x^1

1 = 1/4*x^1 // : 1/4

4 = x^1

x = 4

x = 4

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