| ⎧ | 4x + 3y + 5z + t + u = 5 | |
| ⎨ | y + 5z + t + 5u = 6 | |
| ⎩ | 4x + 2y + 7u = 10 |
| 10 | ||
11u = 10 ⇒ u = | , | |
| 11 |
| 50 | 16 | |||
y = 6 − 5z − t − | = | − 5z − t | ||
| 11 | 11 |
| 29 | 1 | 29 | 8 | 5 | 1 | |||||||
x = | − | y = | − | + | z + | t | ||||||
| 44 | 2 | 44 | 11 | 2 | 2 |
| 3 | 5 | 1 | ||||
x = − | + | z + | t | |||
| 44 | 2 | 2 |
| ⎧ | x = −344 + 52z + 12t | |
| ⎜ | y = 1611 − 5z − t | |
| ⎨ | z∊R | |
| ⎜ | t∊R | |
| ⎩ | u = 1011 |