| ( | 150 | x | − | 15200000 | ) | ÷ | 15200000 | × | 100 | = | 5 100 |
| 方程左边 = | ( | 150 | x | − | 15200000 | ) | × | 1 152000 |
| ( | 150 | x | − | 15200000 | ) | × | 1 152000 | = | 5 100 |
| 方程左边 = | 150 | x | × | 1 152000 | − | 15200000 | × | 1 152000 |
| = | 3 3040 | x | − | 100 |
3 3040 | x | − | 100 | = | 5 100 |
3 3040 | x | = | 5 100 | + | 100 |
3 3040 | x | = | 2001 20 |
| x | = | 2001 20 | ÷ | 3 3040 |
| = | 2001 20 | × | 3040 3 |
| = | 667 | × | 152 |
| x | = | 101384 |