X 8 )( 7x 4 July 8, 2019 16 32 64 128 X 8 7x 4 16 X 8 )( 7x 2 4x 6 5 x 8 )- 7x =-( 2x 4 X 4 8 7x 2 8 7x 4x 6 x 4x X 4 7x 2 8 0 4.2 x 8 8 7x 4 x 5 )+ 8 7x 18 7x 8 3 x 4 X 8 4x 7x 16 8 x 4 )- 7x 14 7 x 8 )= 7x 42 X 2 8 )-( 7x 4x 2 3 x 8 )+ 4 7x 2 8 x 1 )- 7x - 4