56=20/X

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Solution for 56=20/X equation: 


D( X )

X = 0

X = 0

X = 0

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

56 = 20/X // - 20/X

56-(20/X) = 0

56-20*X^-1 = 0

-20*X^-1 = -56 // : -20

X^-1 = 14/5

-1 < 0

1/(X^1) = 14/5 // * X^1

1 = 14/5*X^1 // : 14/5

5/14 = X^1

X = 5/14

X = 5/14

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