| 44 | x | ÷ | 106 | + | 44 | ( | 53 5 | − | x | ) | ÷ | 84 | = | 21 5 |
| 方程左边 = | 22 53 | x | + | 11 21 | ( | 53 5 | − | x | ) |
22 53 | x | + | 11 21 | ( | 53 5 | − | x | ) | = | 21 5 |
| 方程左边 = | 22 53 | x | + | 11 21 | × | 53 5 | − | 11 21 | x |
| = | 22 53 | x | + | 583 105 | − | 11 21 | x |
| = | - | 121 1113 | x | + | 583 105 |
| - | 121 1113 | x | + | 583 105 | = | 21 5 |
| - | 121 1113 | x | = | 21 5 | − | 583 105 |
| - | 121 1113 | x | = | - | 142 105 |
142 105 | = | 121 1113 | x |
121 1113 | x | = | 142 105 |
| x | = | 142 105 | ÷ | 121 1113 |
| = | 142 105 | × | 1113 121 |
| = | 142 5 | × | 53 121 |
| x | = | 7526 605 |
| x | = | 12.439669 |