1 2x 2 4 5 6x July 8, 2019 16 32 64 128 4 5x )-( 1 2x )= 2 6x 5 4 5x )-( 1 2x )= 2 6x 5 )-( 3 8x 1 2 6x 4 )= 5 2x 8 2x 1 4 6x 2 5 70x 6 40 1 2x 5 2 3x 7 6x 4 6x 4 x 1 ) 2 2x 5 )- 12