| x | − | ( | x | × | 3 25 | ÷ | 2 | − | 5691 50 | − | x | × | 1 1000 | ÷ | 2 | − | x | × | 1 100 | ) | = | 149181 5 |
| 方程左边 = | x | − | x | × | 3 25 | ÷ | 2 | + | 5691 50 | + | x | × | 1 1000 | ÷ | 2 | + | x | × | 1 100 |
| = | x | − | x | × | 3 50 | + | 5691 50 | + | x | × | 1 2000 | + | x | × | 1 100 |
| = | 1901 2000 | x | + | 5691 50 |
1901 2000 | x | + | 5691 50 | = | 149181 5 |
1901 2000 | x | = | 149181 5 | − | 5691 50 |
1901 2000 | x | = | 1486119 50 |
| x | = | 1486119 50 | ÷ | 1901 2000 |
| = | 1486119 50 | × | 2000 1901 |
| = | 1486119 | × | 40 1901 |
| x | = | 59444760 1901 |
| x | = | 31270.257759 |