5185 2 | = | 349 5 | x | + | ( | 29 | − | x | ) | × | 649 5 |
| 方程右边 = | 349 5 | x | + | 29 | × | 649 5 | − | x | × | 649 5 |
| = | 349 5 | x | + | 18821 5 | − | x | × | 649 5 |
| = | - | 60 | x | + | 18821 5 |
5185 2 | = | - | 60 | x | + | 18821 5 |
| 60 | x | = | 18821 5 | − | 5185 2 |
| 60 | x | = | 11717 10 |
| x | = | 11717 10 | ÷ | 60 |
| = | 11717 10 | × | 1 60 |
| x | = | 11717 600 |
| x | = | 19.528333 |