[See Steps] Solve the following systems of equations using the method outlined in week 7 (Part I) of the notes. Your procedure should be in matrix form.
Question: (10 points) Solve the following systems of equations using the method outlined in week 7 (Part I) of the notes. Your procedure should be in matrix form.
x 1 + x 2 = 1
-x 1 + x 2 + x 3 = -1
-1x 2 + x 3 = 3
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