8/12=14/X

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Solution for 8/12=14/X equation: 


D( X )

X = 0

X = 0

X = 0

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

8/12 = 14/X // - 14/X

8/12-(14/X) = 0

8/12-14*X^-1 = 0

-14*X^-1 = -2/3 // : -14

X^-1 = 1/21

-1 < 0

1/(X^1) = 1/21 // * X^1

1 = 1/21*X^1 // : 1/21

21 = X^1

X = 21

X = 21

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