2x + 2y + 2z = 2
x + 2y + 2z = 1
2x + y + 2z = 2
3x + 2y + 2z = 3
2x – y – z = 2
x + 4y + z = 4
4x + 2y – 2z = -4
2x + 2y + 2z = -2
4x + 2y + 4z = 2
-x + y + z = 1
x + y = -1
y + z = 1
5x – y – z = 5
-3x + 2y + 2z = -3
x + 2y + z = 2
4x – 8y + 8z = 4
2x – 4y – 4z = 2
-2x – 2y + 2z = 4
3x – 3y + 6z = 9
2x + y + 2z = -2
-2x – 2y + 2z = -2
5x + 5y + 5z = 5
7x + 7y – 7z = 7
-3x + 3y + 3z = -3
x + 2y + z = 1
-x + 2y + 2z = 1
-2x + 2y + 2z = -2
5x – 5y – 5z = 10
-x – y + z = -1
4x + 4y + 4z = 16




