17613 5 | = | ( | 58 | − | x | ) | × | 479 5 | + | 489 10 | x |
| 方程右边 = | 58 | × | 479 5 | − | x | × | 479 5 | + | 489 10 | x |
| = | 27782 5 | − | x | × | 479 5 | + | 489 10 | x |
| = | 27782 5 | − | 469 10 | x |
17613 5 | = | 27782 5 | − | 469 10 | x |
469 10 | x | = | 27782 5 | − | 17613 5 |
469 10 | x | = | 10169 5 |
| x | = | 10169 5 | ÷ | 469 10 |
| = | 10169 5 | × | 10 469 |
| = | 10169 | × | 2 469 |
| x | = | 20338 469 |
| x | = | 43.364606 |