2x 4 4x 2 16 July 8, 2019 16 32 64 128 X 4 2x 3 4x 2 8x 16 0 X 4 2x 3 4x 2 8x 16 2x 4 )( 4x 2 8x 16 2x 4 4x 3 8x 2 16x 16 2x 4 1 4x 2 X 4 2x 3 6x 2 4x 16 15 2x 3y 2 4 4x 6y )- 16 4x 2 16 3x 12 4 2x 4x4 = 16 2x + y = 4