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