1
-7
The opposite of 7 is -7 (same distance from zero, opposite side)
2
12
The opposite of -12 is 12
3
9
|-9| = 9 (distance from zero is 9)
4
15
|15| = 15 (distance from zero is 15)
5
<
-6 < -2 (negative 6 is less than negative 2; -6 is farther left)
6
<
-4 < 1 (all negative numbers are less than positive numbers)
7
-5, -2, 0, 3, 4
From least to greatest: most negative first, then zero, then positive