5 6x 2 3 1 2x 5 July 8, 2019 16 32 64 128 1 2x 7 5 3 5 6x 2 2 3x 5 6x 3 1 2x 5 4 5x )-( 1 2x )= 2 6x 5 )-( 3 8x 5 - 1/2 * (2x - 6) = 3(3 - x)