74/7=99/x

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Solution for 74/7=99/x equation: 


D( x )

x = 0

x = 0

x = 0

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

74/7 = 99/x // - 99/x

74/7-(99/x) = 0

74/7-99*x^-1 = 0

-99*x^-1 = -74/7 // : -99

x^-1 = 74/693

-1 < 0

1/(x^1) = 74/693 // * x^1

1 = 74/693*x^1 // : 74/693

693/74 = x^1

x = 693/74

x = 693/74

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