8 4x 2 5x6 July 8, 2019 16 32 64 128 8 4x m 5 x 6 2 8 x 6 58 2 4x 5 4x 6 - 2 8 x 5 8 4x 7 5 x 6 2 4 5 (8x + 20) = 6 (6x + 15)