pls answer ASAP. im on a timed test.

https://www.webassign.net/web/Student/Assignment-Responses/submit?pos=18&dep=27549123&tags=autosave#question4888772_18 ect position. If parentheses are provided for ordered pairs, then do not type them. Before exiting the m, check on top to be sure that you have submitted answers to all problems. Your last submission is used for your score. (0.6/2 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TE Write a system of linear equations represented by the augmented matrix. (Use x, y, and z as your variables, each representing the columns in turn. Write the equations for the in the same order as they appear in the augmented matrix. Do not perform any row operations.) N N N OO 0 x - y +2z =2 Ox + y - z= 2 Ox + Oy + z=-2 Use back-substitution to solve the system. ( x, y, z) =