3/9=10/x+9

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Solution for 3/9=10/x+9 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/9 = 10/x+9 // - 10/x+9

3/9-(10/x)-9 = 0

3/9-10*x^-1-9 = 0

-10*x^-1 = 26/3 // : -10

x^-1 = -13/15

-1 < 0

1/(x^1) = -13/15 // * x^1

1 = -13/15*x^1 // : -13/15

-15/13 = x^1

x = -15/13

x = -15/13

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