5/9=8/x

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Solution for 5/9=8/x equation: 


D( x )

x = 0

x = 0

x = 0

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

5/9 = 8/x // - 8/x

5/9-(8/x) = 0

5/9-8*x^-1 = 0

-8*x^-1 = -5/9 // : -8

x^-1 = 5/72

-1 < 0

1/(x^1) = 5/72 // * x^1

1 = 5/72*x^1 // : 5/72

72/5 = x^1

x = 72/5

x = 72/5

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