2) x < 0; x < -5; x ≤ 7
x ∈ (-∞; -5)
4) x < -3; x ≤ -2; x > 6
Не имеет решений
6) x < -11; x ≤ -13; x > -14
x ∈ (-14; -13]
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2) x < 0; x < -5; x ≤ 7
x ∈ (-∞; -5)
4) x < -3; x ≤ -2; x > 6
Не имеет решений
6) x < -11; x ≤ -13; x > -14
x ∈ (-14; -13]