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12x + 10
5x + 8
11x + 11
11x + 10
9x + 13y
5x + 3y
-5x + 3y
-5x + 13y
4x + 32
4x + 23
12x - 9
4x + 24
2x - 8y
-2x + 2y
8x - 8y
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