18/(2x)=81

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Solution for 18/(2x)=81 equation: 


D( x )

2*x = 0

2*x = 0

2*x = 0

2*x = 0 // : 2

x = 0

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

18/(2*x) = 81 // - 81

18/(2*x)-81 = 0

9*x^-1 = 81 // : 9

x^-1 = 9

-1 < 0

1/(x^1) = 9 // * x^1

1 = 9*x^1 // : 9

1/9 = x^1

x = 1/9

x = 1/9

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