3/x+9=90

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Solution for 3/x+9=90 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x+9 = 90 // - 90

3/x-90+9 = 0

3*x^-1 = 81 // : 3

x^-1 = 27

-1 < 0

1/(x^1) = 27 // * x^1

1 = 27*x^1 // : 27

1/27 = x^1

x = 1/27

x = 1/27

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