Solve the linear system by Gaussian elimination: x- y + 2z -

Last updated: 7/20/2022

Solve the linear system by Gaussian elimination: x- y + 2z - w = -1 2x - y-2z- 2w = -2 -x+2y-4z + w = 1 3x + 2aw = -3 Determine for which values of a the system is consistent, and if so whether the solution is unique. Answer "inconclusive" if there is not enough information to make a decision.