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Verified answer
|x+4| ≤ 6☞ x+4 ≤ 6
x ≤ 6-4
x ≤ 2
☞ -(x+4) ≤ 6
-x-4 ≤ 6
-x ≤ 6+4
-x ≤ 10
x ≥ -10
HP : {-10 ≤ x ≤ 2}