Answer:
−3 < x ≤ 0
Explanation:
1 < x + 4 ≤ 4
Add -4 to all parts
1 + −4< x + 4 + −4 ≤ 4 + −4
Put pairs in bracket to avoid confusion
(1 + −4) < x (+ 4 + −4) ≤ (4 + −4)
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