30/x=8/12

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Solution for 30/x=8/12 equation: 


D( x )

x = 0

x = 0

x = 0

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

30/x = 8/12 // - 8/12

30/x-(8/12) = 0

30/x-2/3 = 0

30*x^-1 = 2/3 // : 30

x^-1 = 1/45

-1 < 0

1/(x^1) = 1/45 // * x^1

1 = 1/45*x^1 // : 1/45

45 = x^1

x = 45

x = 45

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