-2/1-x9

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Solution for -2/1-x9 equation: 


x in (-oo:+oo)

-x-2/1 < 9 // - 9

-x-2/1-9 < 0

-x-9-2 < 0

-x-11 < 0

-x < 11 // * -1

x > -11

x in (-11:+oo)

(-11:+oo)

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