SOLUTION: our teacher is wanting us to this problem: 3 1 1 7 1 3 -1 13 -2 1 0 -1 look like this 1 0 0 x 0 1 0 y 0 0 1 z i continue to get the wrong answer and ive worked

Question 190080: our teacher is wanting us to this problem:
3 1 1 7
1 3 -1 13
-2 1 0 -1
look like this
1 0 0 x
0 1 0 y
0 0 1 z
i continue to get the wrong answer and ive worked it out at least 4 times can you help me please
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
This solution was generated by the Linear Algebra Toolkit

In this case, you need to perform row reduction to find x, y, and z

Since the 3rd column of the last matrix has the elements 2, 3, and -2, this means that , and
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