Answer:
2
Explanation:
-2 is three spaces away from one (-2, -1, 0, 1)
4 is three spaces away from one (4, 3, 2, 1)
-7 is eight spaces away from one (-7, -6, -5, -4, -3, -2, -1, 0, 1)
2 is one space away from one (2, 1)
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