5 12 z 3 )= 1 6 2z 7 ) 2 July 8, 2019 16 32 64 128 5 12 z 3 )= 1 6 2z 7 )+ 2 7 z - 3 z = 5 12 3) 1/2 * z - 7 = 1 - 1/6 * z