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Ix-3 I -4 ≥1 lub Ix-3 I -4≤-1
Ix-3 I ≥5 lub Ix-3 I ≤3
x-3≥5 lub x-3≤-5 x-3≤3 i x-3≥-3
x≥8 lub x≤-2 x≤6 i x≥0
x∈(-∞,-2> ∨ <0,6> ∨ <8,+∞)