Answer:
-6 ≤ x < 0
Explanation:
-6 + 7 = 1 and 1 is included in this inequality.
0 + 7 = 7 and 7 is not included in this inequality.
Therefore, -6 ≤ x < 0 is the answer.
To graph, closed circle at -6 and open circle at 0.
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