2z/6 + 3v/6 = 16/6
3z/6 + 2v/6 = 18/6
2z + 3v = 16
3z + 2v = 18
2z = 16-3v
z = (16-3v)/2
3(16-3v)/2 + 2v = 18
2z/6 + 3v/6 = 16/6
3z/6 + 2v/6 = 18/6
2z + 3v = 16
3z + 2v = 18
2z = 16-3v
z = (16-3v)/2
3(16-3v)/2 + 2v = 18