9/x=4/10

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Solution for 9/x=4/10 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x = 4/10 // - 4/10

9/x-(4/10) = 0

9/x-2/5 = 0

9*x^-1 = 2/5 // : 9

x^-1 = 2/45

-1 < 0

1/(x^1) = 2/45 // * x^1

1 = 2/45*x^1 // : 2/45

45/2 = x^1

x = 45/2

x = 45/2

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