ENG1005 S1 2026 Week 2 Competency Hurdle

The system of linear equations [math: v+2w+3x+y+z=1−2v−4w+6x+2y+2z=23v+6w−3x−y−z=1] has row echelon form [math: [12000−1003112000004].] How many solutions does this system have?