| x | = | 37749 100 | + | 120 100 | x | + | ( | 300 | + | 13 10 | x | ) | ÷ | 1000 | + | 11 | + | 1390 | + | 5 100 | × | 433330 | − | 129999 2 |
| 方程右边 = | 37749 100 | + | 120 100 | x | + | ( | 300 | + | 13 10 | x | ) | × | 1 1000 | + | 11 | + | 1390 | + | 43333 2 | − | 129999 2 |
| = | - | 4155451 100 | + | 120 100 | x | + | ( | 300 | + | 13 10 | x | ) | × | 1 1000 |
| x | = | - | 4155451 100 | + | 120 100 | x | + | ( | 300 | + | 13 10 | x | ) | × | 1 1000 |
| 方程右边 = | - | 4155451 100 | + | 120 100 | x | + | 300 | × | 1 1000 | + | 13 10 | x | × | 1 1000 |
| = | - | 4155451 100 | + | 120 100 | x | + | 3 10 | + | 13 10000 | x |
| = | - | 4155421 100 | + | 12013 10000 | x |
| x | = | - | 4155421 100 | + | 12013 10000 | x |
| x | − | 12013 10000 | x | = | - | 4155421 100 |
| - | 2013 10000 | x | = | - | 4155421 100 |
4155421 100 | = | 2013 10000 | x |
2013 10000 | x | = | 4155421 100 |
| x | = | 4155421 100 | ÷ | 2013 10000 |
| = | 4155421 100 | × | 10000 2013 |
| = | 4155421 | × | 100 2013 |
| x | = | 415542100 2013 |
| x | = | 206429.259811 |