12/45=8/x

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Solution for 12/45=8/x equation: 


D( x )

x = 0

x = 0

x = 0

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

12/45 = 8/x // - 8/x

12/45-(8/x) = 0

12/45-8*x^-1 = 0

-8*x^-1 = -4/15 // : -8

x^-1 = 1/30

-1 < 0

1/(x^1) = 1/30 // * x^1

1 = 1/30*x^1 // : 1/30

30 = x^1

x = 30

x = 30

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