| x | = | 453 | + | 4 25 | ( | 4000 | − | x | ) | + | 4 25 | ( | 4 25 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) | ) |
| 方程右边 = | 453 | + | 4 25 | × | 4000 | − | 4 25 | x | + | 4 25 | ( | 4 25 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) | ) |
| = | 453 | + | 640 | − | 4 25 | x | + | 4 25 | ( | 4 25 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) | ) |
| = | 1093 | − | 4 25 | x | + | 4 25 | ( | 4 25 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) | ) |
| = | 1093 | − | 4 25 | x | + | 4 25 | × | 4 25 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) |
| = | 1093 | − | 4 25 | x | + | 16 625 | ( | 4000 | − | x | − | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) | ) |
| = | 1093 | − | 4 25 | x | + | 16 625 | × | 4000 | − | 16 625 | x | − | 16 625 | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) |
| = | 1093 | − | 4 25 | x | + | 512 5 | − | 16 625 | x | − | 16 625 | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) |
| = | 5977 5 | − | 116 625 | x | − | 16 625 | ( | 453 | + | 4 25 | ( | 4000 | − | x | ) | ) |
| = | 5977 5 | − | 116 625 | x | − | 16 625 | × | 453 | − | 16 625 | × | 4 25 | ( | 4000 | − | x | ) |
| = | 5977 5 | − | 116 625 | x | − | 7248 625 | − | 64 15625 | ( | 4000 | − | x | ) |
| = | 739877 625 | − | 116 625 | x | − | 64 15625 | ( | 4000 | − | x | ) |
| = | 739877 625 | − | 116 625 | x | − | 64 15625 | × | 4000 | + | 64 15625 | x |
| = | 739877 625 | − | 116 625 | x | − | 2048 125 | + | 64 15625 | x |
| = | 729637 625 | − | 2836 15625 | x |
| x | = | 729637 625 | − | 2836 15625 | x |
| x | + | 2836 15625 | x | = | 729637 625 |
18461 15625 | x | = | 729637 625 |
| x | = | 729637 625 | ÷ | 18461 15625 |
| = | 729637 625 | × | 15625 18461 |
| = | 729637 | × | 25 18461 |
| x | = | 18240925 18461 |
| x | = | 988.078923 |