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