Answer:
I and III
Explanation:
I.
-6 - x ≤ 7
-6 - (-13) ≤ 7
-6 + 13 ≤ 7
7 ≤ 7
True
II.
-6 - (-14) ≤ 7
-6 + 14 ≤ 7
8 ≤ 7
False
III.
-6 - (-6) ≤ 7
-6 + 6 ≤ 7
0 ≤ 7
I hope this helps!
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