Algebra 2ChallengeLinear Systems & Matrices ShareLinear Systems & Matrices · Challenge problemSolve and check in all three equations: {x+y+z=6x−y+2z=52x+y−z=1\begin{cases} x+y+z=6 \\ x-y+2z=5 \\ 2x+y-z=1 \end{cases}⎩⎨⎧x+y+z=6x−y+2z=52x+y−z=1A(−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