Problem 12. Solve the following systems of equations. If there are infinitely many solutions, make sure to give the general solution. 3r+y+2z (1) {2r + y+3z 6x+2y+2 = 11 I+2y+3z = 14 (2) 5z -y - z 4x+y+2z 7x-y+17z (3) 2r - 5y + 19z =-19 3r +y+3z - 35 = 41 %3D = 11 %3D = 10 %3D 16 %3D = 14

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