8/x=18/21

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Solution for 8/x=18/21 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x = 18/21 // - 18/21

8/x-(18/21) = 0

8/x-6/7 = 0

8*x^-1 = 6/7 // : 8

x^-1 = 3/28

-1 < 0

1/(x^1) = 3/28 // * x^1

1 = 3/28*x^1 // : 3/28

28/3 = x^1

x = 28/3

x = 28/3

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