| x | ( | 1 | − | 203 5000 | ) | − | x | ÷ | ( | 1 | − | 203 5000 | ) | × | 9 100 | × | 28 25 | = | 50000 |
| 方程两边同时乘以: | ( | 1 | − | 203 5000 | ) |
| x | ( | 1 | − | 203 5000 | ) | ( | 1 | − | 203 5000 | ) | − | x | × | 9 100 | × | 28 25 | = | 50000 | ( | 1 | − | 203 5000 | ) |
| x | × | 1 | ( | 1 | − | 203 5000 | ) | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | x | × | 9 100 | × | 28 25 | = | 50000 | ( | 1 | − | 203 5000 | ) |
| x | × | 1 | ( | 1 | − | 203 5000 | ) | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | x | × | 9 100 | × | 28 25 | = | 50000 | × | 1 | − | 50000 | × | 203 5000 |
| x | × | 1 | ( | 1 | − | 203 5000 | ) | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | x | × | 63 625 | = | 50000 | − | 2030 |
| x | × | 1 | ( | 1 | − | 203 5000 | ) | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | 63 625 | x | = | 47970 |
| x | × | 1 | × | 1 | − | x | × | 1 | × | 203 5000 | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | 63 625 | x | = | 47970 |
| x | × | 1 | − | x | × | 203 5000 | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | − | 63 625 | x | = | 47970 |
4293 5000 | x | − | x | × | 203 5000 | ( | 1 | − | 203 5000 | ) | = | 47970 |
4293 5000 | x | − | x | × | 203 5000 | × | 1 | + | x | × | 203 5000 | × | 203 5000 | = | 47970 |
4293 5000 | x | − | x | × | 203 5000 | + | x | × | 41209 25000000 | = | 47970 |