2x 4 4x 2 2 0 July 8, 2019 16 32 64 128 2x 4 4x 2 1 0 2x 4 3x 3 4x 2 3x 2 0 2x 4 5x 3 4x 2 5x 2 0 2x 4 4x 2 6 0 X 4 4x 3 5x 2 2x 2 0 X 4 2x 3 4x 2 3x 2 0 X 4 4x 2 y 2 2x 2y 9 0 2x + y = 4