5x 2 5x 1 2x 2 9x 6 July 8, 2019 16 32 64 128 Add 3x 2 5x 1 2x 2 9x 6 Subtract 5x 2 5x 1 2x 2 9x 6 Add 5x 2 5x 1 2x 2 9x 6 3x 2 5x 1 2x 2 9x 6 4x 2 5x 1 2x 2 9x 6 Subtract 4x 2 5x 1 2x 2 9x 6 5 x 5 x 5 x 5 x 5