determine the solution using matrices:

pi1 = 2x + y - z = -3
pi2 = x - y + 2z = 0
pi3 = 3x + 2y - z = - 5

s the system consistent, inconsistent, or neither?
is the system dependent, independent, or neither?
is the solution a line, a point, a plane, or is there no solution?

as before, (-1,-1,0)