| x | ÷ | 150 | + | 40 | ( | x | ÷ | 150 | ) | × | 50 100 | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | 40 100 |
| 方程左边 = | x | × | 1 150 | + | 20 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 |
1 150 | x | + | 20 | ( | x | ÷ | 150 | ) | + | ( | x | ÷ | 150 | ) | × | 10 100 | = | 40 100 |
| 方程左边 = | 1 150 | x | + | 20 | x | ÷ | 150 | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 1 150 | x | + | 2 15 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 7 50 | x | + | ( | x | ÷ | 150 | ) | × | 10 100 |
| = | 7 50 | x | + | x | ÷ | 150 | × | 10 100 |
| = | 7 50 | x | + | x | × | 1 1500 |
| = | 211 1500 | x |
211 1500 | x | = | 40 100 |
| x | = | 40 100 | ÷ | 211 1500 |
| = | 40 100 | × | 1500 211 |
| = | 40 | × | 15 211 |
| x | = | 600 211 |
| x | = | 2.843602 |