2/7=14/x

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Solution for 2/7=14/x equation: 


D( x )

x = 0

x = 0

x = 0

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

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

2/7-(14/x) = 0

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

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

x^-1 = 1/49

-1 < 0

1/(x^1) = 1/49 // * x^1

1 = 1/49*x^1 // : 1/49

49 = x^1

x = 49

x = 49

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