Ответы §1 главы 2
| 451. | ![]() |
| 452. | x + 4y - 2z = 2. |
| 453. | x + y = 2a |
| 454. | x - y + z = a |
| 455. | 2y - 3z + 7 = 0. |
| 456. | 3y + 2z = 0. |
| 457. | 2x + y = 0. |
| 458. | ![]() |
| 459. | x + y + z = 4. |
| 460. | ![]() |
| 462. | ![]() |
| 463. | x - 2y - 3z + 14 = 0. |
| 464. | 3x - 4z = 0. |
| 465. | x + y = 0. |
| 466. | ![]() |
| 451. | ![]() |
| 452. | x + 4y - 2z = 2. |
| 453. | x + y = 2a |
| 454. | x - y + z = a |
| 455. | 2y - 3z + 7 = 0. |
| 456. | 3y + 2z = 0. |
| 457. | 2x + y = 0. |
| 458. | ![]() |
| 459. | x + y + z = 4. |
| 460. | ![]() |
| 462. | ![]() |
| 463. | x - 2y - 3z + 14 = 0. |
| 464. | 3x - 4z = 0. |
| 465. | x + y = 0. |
| 466. | ![]() |