関連ワード:  solve by matrix method    solve by matrix method x-y+z=4 2x+y-3z=0 x+y+z=2    solve by matrix method 3x-2y+3z=8 2x+y-z=1 4x-3y+2z=4    solve by matrix method x-y+2z=7 3x+4y-5z=-5 2x-y+3z=12    solve by matrix method 3x-2y+3z=8    solve by matrix method 2x+3y+3z=5 x-2y+z=-4 3x-y-2z=3    solve by matrix method x-y+2z=1 2y-3z=1 3x-2y+4z=9    solve by matrix method 2x+y+z=1 x-2y-z=3/2 3y-5z=9    solve by matrix method x+y+z=6 y+3z=11 x-2y+z=0    solve by matrix method 2x-3y+5z=11 3x+2y-4z=-5 x+y-2z=-3