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