21/93=217/x

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Solution for 21/93=217/x equation: 


D( x )

x = 0

x = 0

x = 0

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

21/93 = 217/x // - 217/x

21/93-(217/x) = 0

21/93-217*x^-1 = 0

-217*x^-1 = -7/31 // : -217

x^-1 = 1/961

-1 < 0

1/(x^1) = 1/961 // * x^1

1 = 1/961*x^1 // : 1/961

961 = x^1

x = 961

x = 961

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