Question

Resolva a equação matricial

Answer 1

-7 2 1 + 2.X = 11 0 3 =
6 4 -3 8 12 5

-7+2x= 11 2+2x=0 1+2x= 3
6+2x= 8 4+2x=12 -3+2x=5

= 11 0 3
8 12 5

2x=18 2x= -2 2x=2
2x=2 2x=8 2x= 8

= | 9 -1 1 |
| 1 4 4|