Algebra 2MediumLinear Systems & Matrices ShareLinear Systems & Matrices · Medium problemSolve: {x+y+z=62x+y−z=1x−y+2z=5\begin{cases} x + y + z = 6 \\ 2x + y - z = 1 \\ x - y + 2z = 5 \end{cases}⎩⎨⎧x+y+z=62x+y−z=1x−y+2z=5A(1,2,3)(1,2,3)(1,2,3)B(−1,2,3)(-1, 2, 3)(−1,2,3)C(1,−2,3)(1, -2, 3)(1,−2,3)D(2,1,3)(2, 1, 3)(2,1,3)Check Show answer Walk through it step by step Practice more like this Review this concept