| 95 | × | 1000000 | = | 143 10 | × | 250 | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程左边 = | 95000000 |
| 95000000 | = | 143 10 | × | 250 | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程右边 = | 3575 | X | ( | 465 | − | X | ÷ | 2 | ) |
| 95000000 | = | 3575 | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程右边 = | 3575 | X | × | 465 | − | 3575 | X | X | ÷ | 2 |
| = | 1662375 | X | − | 3575 2 | X | X |
| 95000000 | = | 1662375 | X | − | 3575 2 | X | X |