3/x/y/7=1

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Solution for 3/x/y/7=1 equation: 


D( x )

x = 0

x = 0

x = 0

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

((3/x)/y)/7 = 1 // - 1

((3/x)/y)/7-1 = 0

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

x^-1 = 7/3*y

-1 < 0

1/(x^1) = 7/3*y // * x^1

1 = 7/3*x^1*y // : 7/3*y

3/7*y^-1 = x^1

x = 3/7*y^-1

x = 3/7*y^-1

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