9/x=18/4

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Solution for 9/x=18/4 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x = 18/4 // - 18/4

9/x-(18/4) = 0

9/x-9/2 = 0

9*x^-1 = 9/2 // : 9

x^-1 = 1/2

-1 < 0

1/(x^1) = 1/2 // * x^1

1 = 1/2*x^1 // : 1/2

2 = x^1

x = 2

x = 2

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