28/x=8/12

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Solution for 28/x=8/12 equation: 


D( x )

x = 0

x = 0

x = 0

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

28/x = 8/12 // - 8/12

28/x-(8/12) = 0

28/x-2/3 = 0

28*x^-1 = 2/3 // : 28

x^-1 = 1/42

-1 < 0

1/(x^1) = 1/42 // * x^1

1 = 1/42*x^1 // : 1/42

42 = x^1

x = 42

x = 42

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