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

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

Solve by matrix method : x+y = 3 , y +z =4 , z + x =5

Solve the following system of linear equations by matrix method : x - 2y + 3z = - 5, 3x + y + z = 8, 2x - y + 2z = 1

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

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