, the inequality becomes 2 – 3x + 4 – 3x + 6 – 3x ≥ 12. implying – 9x ≥ 0 ⇒ x ≤ 0. when x ≥ 2 the ineqality becomes 3x – 2 + 3x – 4 + 3x – 6 ≥ 12, Implying 9x ≥ 24 ⇒ x ≥ 8/3 The inequality in invalid in the other two sections. ∴ either x ≤ 0 or x ≥ 8/3