| x | − | 290 | × | 1 | − | 25 100 | ÷ | 1410 | = | x | − | 170 | × | 1 | − | 25 100 | − | 1035 4 | ÷ | 1210 |
| 方程左边 = | x | − | 290 | − | 1 5640 |
| = | x | − | 1635601 5640 |
| x | − | 1635601 5640 | = | x | − | 170 | × | 1 | − | 25 100 | − | 1035 4 | ÷ | 1210 |
| 方程右边 = | x | − | 170 | − | 25 100 | − | 207 968 |
| = | x | − | 165009 968 |
| x | − | 1635601 5640 | = | x | − | 165009 968 |
| x | − | x | = | - | 165009 968 | + | 1635601 5640 |
| 0 | x | = | - | 165009 968 | + | 1635601 5640 |
| 0 | x | = | 10197047 85305 |