| x | ÷ | 150 | + | 20 | ( | x | ÷ | 150 | ) | × | 50 100 | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | 40 100 |
| 方程左边 = | x | × | 1 150 | + | 10 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 |
1 150 | x | + | 10 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | 40 100 |
| 方程左边 = | 1 150 | x | + | 10 | x | ÷ | 150 | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 1 150 | x | + | 1 15 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 11 150 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 11 150 | x | + | x | ÷ | 150 | × | 10 100 |
| = | 11 150 | x | + | x | × | 1 1500 |
| = | 37 500 | x |
37 500 | x | = | 40 100 |
| x | = | 40 100 | ÷ | 37 500 |
| = | 40 100 | × | 500 37 |
| = | 40 | × | 5 37 |
| x | = | 200 37 |
| x | = | 5.405405 |