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x + 5 = 3
- 2
x - 2 = 5
7
2x - 3 = 5
4
2x + 7 = 9
1
3x + 5 = 2
-1
3x - 4 = 5
3
x - 9 = 1
10
2x - 9 = 1
5
3x - 1 = 2
1
x - 6 = 3
9
3x - 7 = 2
3
