-x/2-1

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Solution for -x/2-1 equation: 


x in (-oo:+oo)

-x/2 > -1 // + 1

1-x/2 > 0

1-1/2*x > 0 // - 1

-1/2*x > -1 // : -1/2

x < -1/(-1/2)

x < 2

x in (-oo:2)

(-oo:2)

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