Answer:
5: x=27 (Positive)
8: x=9 (9 positive not negative)
11: x=24 (Positive not negative)
Explanation:
5: 9*3=27 so 27/9
8: 38+7=45 45/5=9 so x=9
11: 15-7=8 8*3=24, 24/3-15=-7 so x=24
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