| x | = | 453 | × | 4 25 | ( | 4000 | − | x | ) | + | 4 25 | ( | 4000 | − | x | − | 453 | × | 4 25 | ( | 4000 | − | x | ) | ) |
| 方程右边 = | 1812 25 | ( | 4000 | − | x | ) | + | 4 25 | ( | 4000 | − | x | − | 453 | × | 4 25 | ( | 4000 | − | x | ) | ) |
| x | = | 1812 25 | ( | 4000 | − | x | ) | + | 4 25 | ( | 4000 | − | x | − | 453 | × | 4 25 | ( | 4000 | − | x | ) | ) |
| 方程右边 = | 1812 25 | × | 4000 | − | 1812 25 | x | + | 4 25 | ( | 4000 | − | x | − | 453 | × | 4 25 | ( | 4000 | − | x | ) | ) |
| = | 289920 | − | 1812 25 | x | + | 4 25 | ( | 4000 | − | x | − | 453 | × | 4 25 | ( | 4000 | − | x | ) | ) |
| = | 289920 | − | 1812 25 | x | + | 4 25 | × | 4000 | − | 4 25 | x | − | 4 25 | × | 453 | × | 4 25 | ( | 4000 | − | x | ) |
| = | 289920 | − | 1812 25 | x | + | 640 | − | 4 25 | x | − | 7248 625 | ( | 4000 | − | x | ) |
| = | 290560 | − | 1816 25 | x | − | 7248 625 | ( | 4000 | − | x | ) |
| = | 290560 | − | 1816 25 | x | − | 7248 625 | × | 4000 | + | 7248 625 | x |
| = | 290560 | − | 1816 25 | x | − | 231936 5 | + | 7248 625 | x |
| = | 1220864 5 | − | 38152 625 | x |
| x | = | 1220864 5 | − | 38152 625 | x |
| x | + | 38152 625 | x | = | 1220864 5 |
38777 625 | x | = | 1220864 5 |
| x | = | 1220864 5 | ÷ | 38777 625 |
| = | 1220864 5 | × | 625 38777 |
| = | 1220864 | × | 125 38777 |
| x | = | 152608000 38777 |
| x | = | 3935.528793 |