7 1.1027. 0r6 Used Notes Ask Your Teaci Use back-substitution to solve the system. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION. If the system has an infinite number of solutions, set z-t and solve for x and y in terms of t.) -xy -z0 (x, y, z) = Need Help? ReTalk to s Tuter What steps or re did you No Fles to Display my
