8/x=12/21

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Solution for 8/x=12/21 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x = 12/21 // - 12/21

8/x-(12/21) = 0

8/x-4/7 = 0

8*x^-1 = 4/7 // : 8

x^-1 = 1/14

-1 < 0

1/(x^1) = 1/14 // * x^1

1 = 1/14*x^1 // : 1/14

14 = x^1

x = 14

x = 14

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