Answer:
(A). x ≥ and x ≤ -
Explanation:
5x - 4 ≥ 12 ⇔ 5x ≥ 16 ⇒ x ≥
and
12x + 5 ≤ - 4 ⇔ 12x ≤ - 9 ⇔ 4x ≤ - 3 ⇒ x ≤ -
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