| 100 | x | − | ( | x | × | 13 100 | − | 9 4 | ) | × | 1 10 | × | 100 | = | 23001 25 | + | 15 | × | 100 |
| 方程左边 = | 100 | x | − | ( | x | × | 13 100 | − | 9 4 | ) | × | 10 |
| 100 | x | − | ( | x | × | 13 100 | − | 9 4 | ) | × | 10 | = | 23001 25 | + | 15 | × | 100 |
| 方程左边 = | 100 | x | − | x | × | 13 100 | × | 10 | + | 9 4 | × | 10 |
| = | 100 | x | − | x | × | 13 10 | + | 45 2 |
| = | 987 10 | x | + | 45 2 |
987 10 | x | + | 45 2 | = | 23001 25 | + | 15 | × | 100 |
| 方程右边 = | 23001 25 | + | 1500 |
| = | 60501 25 |
987 10 | x | + | 45 2 | = | 60501 25 |
987 10 | x | = | 60501 25 | − | 45 2 |
987 10 | x | = | 119877 50 |
| x | = | 119877 50 | ÷ | 987 10 |
| = | 119877 50 | × | 10 987 |
| = | 39959 5 | × | 1 329 |
| x | = | 39959 1645 |
| x | = | 24.291185 |