Answer:
Hey there!
-2 ≤ 7 - x < 11
-9 ≤ - x < 4
9 ≥ x > -4
-4 < x ≤ 9
A closed circle means greater than or equal to or less than or equal to, while an open circle means greater or less than. From this equation, we see that number line A is correct.
Let me know if this helps :)
