﻿2w + x - y + z = 8
-3w - x + 2y + z = -11
-2w + x - 2y = -3
3w - x + 2y - 2z = -5

w = 4
x = -17
y = -11
z = 6

2w + x - y + z = 8
-3w - x + 2y + z = -11
-2w + x - 2y + 3z= -3
3w - x + 2y - 2z = -5

w = -2
x = 25
y = 7
z = -6

5w + x - y + z = 8
-3w - x + 2y + z = -11
-2w + 4x - 2y + 3z = -3
3w - x + 2y - 2z = -5

w = 1.083333
x = -3.08333
y = -5.5
z = 0.166667