| ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 1460 | ÷ | 2630 | = | ( | 283 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| 方程左边 = | ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 |
| ( | 123 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 | = | ( | 283 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| 方程左边 = | 123 5 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 |
| = | 17958 1315 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 |
| = | 17958 1315 | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 |
| = | 80811 400 | − | x | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 146 263 |
| = | 80811 400 | − | x | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | × | 146 263 |
| = | 80811 400 | − | x | × | 172791 21040 |
80811 400 | − | 172791 21040 | x | = | ( | 283 5 | − | x | ) | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| 方程右边 = | 283 5 | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) | − | x | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 283 5 | × | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | − | x | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 364221 800 | − | x | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 364221 800 | − | x | × | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 |
| = | 364221 800 | − | x | × | 1287 160 |
80811 400 | − | 172791 21040 | x | = | 364221 800 | − | 1287 160 | x |
| - | 172791 21040 | x | + | 1287 160 | x | = | 364221 800 | − | 80811 400 |
| - | 7101 42080 | x | = | 364221 800 | − | 80811 400 |
| - | 7101 42080 | x | = | 202599 800 |
| - | 202599 800 | = | 7101 42080 | x |
7101 42080 | x | = | - | 202599 800 |
| x | = | - | 202599 800 | ÷ | 7101 42080 |
| = | - | 202599 800 | × | 42080 7101 |
| = | - | 22511 5 | × | 263 789 |
| x | = | - | 5920393 3945 |
| x | = | - 1500.733333 |