Solve the following equations by matrix method. `x + y + 2z = 4, x + 2y + z =1 and x + y + z = 2`

Solve the following equations by matrix method. 2x + y + z = 1, x - 2y - 3z=1 and 3x + 2y +4z=5

Solve the following equations (by matrix method) : 2x +y + z= 7, x - y - z=-4, 3x +2y+z= 10

Solve the following system of equation by matrix method x + y - 2z = 1; x - y + z = 0; 2x + 3y - 4z = 2,

Solve the following equations by matrix method.2x+y+z=1,x-2y-3z=1 and 3x+2y+4z=5

Solve the following system of equations by matrix method. 3x-2y + 3z= 8 2x + y-z = 1 4x-3y + 2z = 4

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