Answer:
-3, 5, -2, and 2
Explanation:
4-7 is like 7-4 and the answer you get you add a negative sign
-3+8. On a number line its 5, you move to the right because its adding, and get 5.
9-11, again on a number line, this time move to the left, because subtraction, and get -2
-2-(-4). On a number line, start at -2. Move 4 to the left, subtraction, and get -6