1/9+1/x=4/9

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Solution for 1/9+1/x=4/9 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x+1/9 = 4/9 // - 4/9

1/x+1/9-(4/9) = 0

1/x+1/9-4/9 = 0

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

x^-1 = 1/3

-1 < 0

1/(x^1) = 1/3 // * x^1

1 = 1/3*x^1 // : 1/3

3 = x^1

x = 3

x = 3

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