-z/2-7

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Solution for -z/2-7 equation: 


z in (-oo:+oo)

-z/2 < -7 // + 7

7-z/2 < 0

7-1/2*z < 0 // - 7

-1/2*z < -7 // : -1/2

z > -7/(-1/2)

z > 14

z in (14:+oo)

(14:+oo)

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