| ( | x | − | 49543 500 | ) | × | 50 | − | ( | 49543 500 | × | 50 | × | 1 4000 | + | x | × | 50 | × | 1 4000 | ) | = | 2 |
| 方程左边 = | x | × | 50 | − | 49543 500 | × | 50 | − | ( | 49543 500 | × | 50 | × | 1 4000 | + | x | × | 50 | × | 1 4000 | ) |
| = | x | × | 50 | − | 49543 10 | − | ( | 49543 500 | × | 50 | × | 1 4000 | + | x | × | 50 | × | 1 4000 | ) |
| = | 50 | x | − | 49543 10 | − | 49543 500 | × | 50 | × | 1 4000 | − | x | × | 50 | × | 1 4000 |
| = | 50 | x | − | 49543 10 | − | 49543 40000 | − | x | × | 1 80 |
| = | 3999 80 | x | − | 198221543 40000 |
3999 80 | x | − | 198221543 40000 | = | 2 |
3999 80 | x | = | 2 | + | 198221543 40000 |
3999 80 | x | = | 198301543 40000 |
| x | = | 198301543 40000 | ÷ | 3999 80 |
| = | 198301543 40000 | × | 80 3999 |
| = | 198301543 500 | × | 1 3999 |
| x | = | 198301543 1999500 |
| x | = | 99.175565 |