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Answer:
(x ≤ -3) ∪ (11 ≤ x)
Explanation:
The given equation resolves to two equations:
x -4 ≥ 7 ⇒ x ≥ 11
x -4 ≤ -7 ⇒ x ≤ -3
The solution is (x ≤ -3) ∪ (11 ≤ x).
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