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| 12+18x=11 | | 12+18x=10 | | 12+18x=9 | | 12+18x=8 | | 12+18x=7 | | 12+18x=6 | | 12+18x=5 | | 12+18x=4 | | 12+18x=3 | | 12+18x=2 | | 12+18x=1 | | 12+17x=20 | | 12+17x=19 | | 12+17x=18 | | 12+17x=17 | | 12+17x=16 | | 12+17x=15 | | 12+17x=14 | | 12+17x=13 | | 12+17x=12 | | 12+17x=11 | | 12+17x=10 | | 12+17x=9 | | 12+17x=8 | | 12+17x=7 | | 12+17x=6 | | 12+17x=5 | | 12+17x=4 | | 12+17x=3 | | 12+17x=2 | | 12+17x=1 | | 12+16x=20 |