-1 4 5 ] [3 5 2 [ 2 7 2
0 2 7 ]+[-1 5 3]=x+[8 -1 -3
1 -1-2] [ 4 2 2 [-1 9 5 são matrizes ok.
-1 4 5| | 3 5 2| | 2 7 2
0 2 7| + |-1 5 3| = x + | 8 -1 -3
1 -1 -2| | 4 2 2| |-1 9 5
2 9 7 | | 2 7 2
-1 7 10| = x + | 8 -1 -3
5 1 0 | |-1 9 5
x = |2 9 7 | | 2 7 2
|-1 7 10| - | 8 -1 -3
|5 1 0 | |-1 9 5
x = | 0 2 5|
|-9 8 13|
| 6 -8 -5|
Comments
-1 4 5| | 3 5 2| | 2 7 2
0 2 7| + |-1 5 3| = x + | 8 -1 -3
1 -1 -2| | 4 2 2| |-1 9 5
2 9 7 | | 2 7 2
-1 7 10| = x + | 8 -1 -3
5 1 0 | |-1 9 5
x = |2 9 7 | | 2 7 2
|-1 7 10| - | 8 -1 -3
|5 1 0 | |-1 9 5
x = | 0 2 5|
|-9 8 13|
| 6 -8 -5|