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