39/x=3/7

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Solution for 39/x=3/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

39/x = 3/7 // - 3/7

39/x-(3/7) = 0

39/x-3/7 = 0

39*x^-1 = 3/7 // : 39

x^-1 = 1/91

-1 < 0

1/(x^1) = 1/91 // * x^1

1 = 1/91*x^1 // : 1/91

91 = x^1

x = 91

x = 91

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