[" The number of nontrivial solutions of the system "],[x-y+z=0,x+2y-z=0,2x+y+3z=0" is "]

The number of non-trivial solutions of the system x=y+z=0, x+2y-z=0, 2x+y+3z=0 , is

The number of non trivial solutions of the system x-y+2=0,x+2y-z=0,2x+y+3z=0

The number of nontrivial solutions of the system: x-y+z=0, x+2y=0, 2x+y+3z=0 is

The number of solutions of equations x + y - z=0, 3x - y - z= 0,x - 3y + z = 0 is

Solve the system of equations x-y+z=0,x+2y-z=0,2x+y+3z=0

Solve the system : 2x+3y-z=0, x+y+z=0, 2x+y+2z=0 .

The number of solutions of equations x+y-z=0,3x-y-z=0,x-3y+z=0 is

Solve the system: x+3y-2z=0,2x-y+4z=0,x-11y+14z=0 .

The number of solutions of the system of equations: 2x+y-z=7,\ \ x-3y+2z=1,\ \ x+4y-3z=5 is (a) 3 (b) 2 (c) 1 (d) 0