| ( | 1 | − | ( | 960000 | ÷ | Y | ) | + | 10500 | ) | ÷ | 1 50 | = | 0 |
| 1 | ÷ | 1 50 | − | ( | 960000 | ÷ | Y | ) | ÷ | 1 50 | + | 10500 | ÷ | 1 50 | = | 0 |
| 50 | − | ( | 960000 | ÷ | Y | ) | × | 50 | + | 525000 | = | 0 |
| 525050 | − | ( | 960000 | ÷ | Y | ) | × | 50 | = | 0 |
| 525050 | − | 960000 | ÷ | Y | × | 50 | = | 0 |
| 525050 | − | 48000000 | ÷ | Y | = | 0 |
| 方程两边同时乘以: | Y |
| 525050 | Y | − | 48000000 | = | 0 |
| 525050 | Y | = | 0 | + | 48000000 |
| 525050 | Y | = | 48000000 |
| Y | = | 48000000 | ÷ | 525050 |
| = | 48000000 | × | 1 525050 |
| = | 960000 | × | 1 10501 |
| Y | = | 960000 10501 |
| Y | = | 91.419865 |