| ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 2630 | ÷ | 1460 | = | ( | 547 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| 方程左边 = | ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 | = | ( | 547 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| 方程左边 = | 123 5 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 32349 730 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 32349 730 | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 76570083 116800 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 76570083 116800 | − | x | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | × | 263 146 |
| = | 76570083 116800 | − | x | × | 622521 23360 |
76570083 116800 | − | 622521 23360 | x | = | ( | 547 10 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| 方程右边 = | 547 10 | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| = | 547 10 | × | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| = | 359379 800 | − | x | ( | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 | ) |
| = | 359379 800 | − | x | × | 2700 | ÷ | 480 | × | 1460 | ÷ | 1000 |
| = | 359379 800 | − | x | × | 657 80 |
76570083 116800 | − | 622521 23360 | x | = | 359379 800 | − | 657 80 | x |
| - | 622521 23360 | x | + | 657 80 | x | = | 359379 800 | − | 76570083 116800 |
| - | 430677 23360 | x | = | 359379 800 | − | 76570083 116800 |