Solve by matrix method : x + 2y = 7, y + 2z = 4, z + 2x= 7.

Solve by matrix method : x + 2y = 5, y + 2z = 8, z +2x = 5.

Solve by matrix method : x + 2y + z = 7, x + 3z= 11, -3y + 2x = 1.

Solve the following system of linear equations by matrix method : x + y + z = 3, y + 3z = 4, x - 2y -z =0

Solve the following system of linear equations by matrix method : x - y + 2z = 7, 3x + 4y - 5z = -5, 2x -y + 3z = 12

Solve by matrix method 3x - 4y + 2z = -1 , 2x + 3y +5z = 7 , x+ z =2

Solve by matrix method 3x - 2y + 3z =8 2x + y - z =1 4x -3y +2z =4

Solve by matrix method 2x + 3y +3z = 5 x -2y + z = -4 3x - y - 2z = 3