5 6 - x = 12 9 July 8, 2019 16 32 64 128 5 6 x 12 9 5 x 6 )- 2 x 12 )+ 15 x 9 )= 0 5 6 х 9 15 5 12 x 4 15 9 2x 12 5 x 6 0 95 5 6 x 12 1 6 x 5 12 x 9 10 4 5 12 10 x 6 9 2 1 6 x 5 )= 5 12 x 9 12 9 x 6 5 2 7 4 x 5 x 6 12 x 15 x 9 9x 12 14x 5 x 6 10x 7
