x = 1/2; y = 12 + 4 = 16
x = 1; y = 6 + 4 = 10
x = 2; y = 3 + 4 = 7
x = 3; y = 2 + 4 = 6
x = 6; y = 1 + 4 = 5
x = 12; y = 1/2 + 4 = 4,5
x = 1/2; y = 12 + 4 = 16
x = 1; y = 6 + 4 = 10
x = 2; y = 3 + 4 = 7
x = 3; y = 2 + 4 = 6
x = 6; y = 1 + 4 = 5
x = 12; y = 1/2 + 4 = 4,5