| 8083 | × | 1 2 | ( | 13 20 | + | ( | 6062 | − | x | − | 411 | ) | ÷ | 7050 | ) | = | x |
| 方程左边 = | 8083 2 | ( | 13 20 | + | ( | 6062 | − | x | − | 411 | ) | ÷ | 7050 | ) |
8083 2 | ( | 13 20 | + | ( | 6062 | − | x | − | 411 | ) | ÷ | 7050 | ) | = | x |
| 方程左边 = | 8083 2 | × | 13 20 | + | 8083 2 | ( | 6062 | − | x | − | 411 | ) | ÷ | 7050 |
| = | 105079 40 | + | 8083 14100 | ( | 6062 | − | x | − | 411 | ) |
| = | 105079 40 | + | 8083 14100 | × | 6062 | − | 8083 14100 | x | − | 8083 14100 | × | 411 |
| = | 105079 40 | + | 24499573 7050 | − | 8083 14100 | x | − | 1107371 4700 |