MECH 2351 Engineering Analysis I Review (System of Linear Equations, Matrices) 1) Solve the system using Gaussian Elimination Method. a) x+2y-z=-4 b) x+8y = 30 -2x+4y-z=6 2x+2y+3z=1 c) -8x+16 y + 32z = -16 6x-6z=6 d) x-2y+32=9 -x+3y=-4 2x-5y+5z = 17 3x-2y+3z=22 3y-z=24 6x-7y=-22 2) Solve the system using Gauss-Jordan elimination. a) b) 3x-y+z=-15 x+2y-z=1 2x + 3y-2z=0 x-3x=-2 3x+y-2z = 5 2x + 2y + z = 4 1 c) 2x + 3z=3 4x-3y+7z=5 8x-9y+ 15z = 10 d) x+y-5z=3 x-2z=1 2x-y-z=0