5 9 x 12 6 July 8, 2019 16 32 64 128 1 5 x 9 4 x 12 6 2x 12 9 x 6 5 0 2x 9 x 12 5 6 8 9 x )- 12 5 2x 6 4 9 x 5 12 x 6 12 9 x 6 5 2 7 63 9 12 x 4 5 5 6 - x = 12 9
