Aerin H.

# Use matrices to solve system of eq (if possible). Use Gauss elimination w/ back-substitution. (If no solution, enter NO SOLUTION. If system is dependent, set w = a & solve for x, y & z in terms of a.)

x-4y+3z-2w= 16

3x-2y+z-4w= -10

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

-2x+y-4z+3w= -19

(xyzw) = (______)