V X + 3Y + 6 = 6
X + 3Y + 6 = 36
X = 30 - 3Y
V 2X - Y + 2 = 1
2X - Y + 2 = 1
2X - Y + 1 = 0
2*(30-3Y) - Y + 1 = 0
60 - 6Y - Y + 1 = 0
61 = 7Y
Y = 8.71
X = 30 - 26.13=3.87
V X + 3Y + 6 = 6
X + 3Y + 6 = 36
X = 30 - 3Y
V 2X - Y + 2 = 1
2X - Y + 2 = 1
2X - Y + 1 = 0
2*(30-3Y) - Y + 1 = 0
60 - 6Y - Y + 1 = 0
61 = 7Y
Y = 8.71
X = 30 - 26.13=3.87