How do you solve #x+y-z=6#, #2x-y+z=-9#, and #x-2y+3z=1# using matrices? Precalculus Matrix Row Operations Solving a System of Equations Using a Matrix 1 Answer bp May 24, 2016 x=-1. y= 23, z= 16 Explanation: Answer link Related questions How do I use matrices to solve the system #2x+3y=4# and #5x+8y=11#? How do I solve a system of equations using an augmented matrix? How do I solve a system of 3 equations with a matrix? How do I solve a system of equations using inverse matrices? How do I solve a system of 2 equations using a matrix? How do I use matrices to find the solution of the system of equations #3x+4y=10# and #x-y=1#? How do I use matrices to find the solution of the system of equations #c+3d=8# and #c=4d-6#? How do I use matrices to find the solution of the system of equations #y=1/3x+7/3# and #y=−5/4x+11/4#? How do I use matrices to find the solution of the system of equations #y=−2x+4# and #y=−2x−3#? How do I use matrices to find the solution of the system of equations #y=−2x−4# and #y+4=−2x#? See all questions in Solving a System of Equations Using a Matrix Impact of this question 3178 views around the world You can reuse this answer Creative Commons License