which number line represents the solutions to x.
O
O
-7-6-5-4-3-2-1
-7 -6
←
-7-6-5
-7-6-5-4
-2 -1 0
-3-2-1
O
1
+ +
1
1
-2 -1 0 1
2
2
3 4567
3
3
4 5
4
5
67
6
7
4567