9/x=20/100

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Solution for 9/x=20/100 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x = 20/100 // - 20/100

9/x-(20/100) = 0

9/x-1/5 = 0

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

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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