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