関連ワード:  solve using matrix method    solve using matrix method 3x+2y=14 x+4y=8    solve using matrix method 5x+2y=4 7x+3y=5    solve using matrix method 2x+3y+3z=5 x-2y+z=-4 3x-y-2z=3    solve using matrix method x-y+2z=7 3x+4y-5z=-5 2x-y+3z=12    solve using matrix method 2x 3y 3z 5    solve using matrix method 2x y z 1    solve using matrix method 3x 2y 3z 8    solve using matrix method 2 x    solve using matrix method x 2y 3z 6