3 5 z 7 2 9 z 11 July 8, 2019 16 32 64 128 3/5 * (3 - 2z) = 2/5 * (9 - z) - 0 3(z - 9) 7 z - 3 z = 5 12 Z ( 7 z + 3 ) 7 z/2+3
