As Tia solved the system of equations below, she transformed matrices at different steps during the process. -a-b+20-
2a+b+c=2
-3a+2b+36-7
She noted the following matrices
|
II
IV
0
0
0
-1
-1
1 1
-2
-7
0
1
0
-1
0
-16
1 1 0 -1
0 1 0 -1
0 0 1 3
0
0 1
G
-3
2
0 0 22
66
In which order should the matrices be arranged when solving the system from start to finish?
OI, IV, III, II
O II, III, IVI
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