| ( | 109 50 | − | x | ) | × | 53777 10 | − | ( | 1 200 | + | x | ) | × | 133884 25 | = | 229 5 |
| 方程左边 = | 109 50 | × | 53777 10 | − | x | × | 53777 10 | − | ( | 1 200 | + | x | ) | × | 133884 25 |
| = | 5861693 500 | − | x | × | 53777 10 | − | ( | 1 200 | + | x | ) | × | 133884 25 |
| = | 5861693 500 | − | 53777 10 | x | − | 1 200 | × | 133884 25 | − | x | × | 133884 25 |
| = | 5861693 500 | − | 53777 10 | x | − | 33471 1250 | − | x | × | 133884 25 |
| = | 29241523 2500 | − | 536653 50 | x |
29241523 2500 | − | 536653 50 | x | = | 229 5 |
| - | 536653 50 | x | = | 229 5 | − | 29241523 2500 |
| - | 536653 50 | x | = | - | 29127023 2500 |
29127023 2500 | = | 536653 50 | x |
536653 50 | x | = | 29127023 2500 |
| x | = | 29127023 2500 | ÷ | 536653 50 |
| = | 29127023 2500 | × | 50 536653 |
| = | 29127023 50 | × | 1 536653 |
| x | = | 29127023 26832650 |
| x | = | 1.085507 |