| ( | x | ÷ | 103 100 | × | 3 100 | ) | + | ( | ( | 42000000 | − | x | ) | ÷ | 113 100 | ) | × | 13 100 | = | 328130337 100 |
| 方程左边 = | x | ÷ | 103 100 | × | 3 100 | + | ( | ( | 42000000 | − | x | ) | ÷ | 113 100 | ) | × | 13 100 |
| = | x | × | 3 103 | + | ( | ( | 42000000 | − | x | ) | ÷ | 113 100 | ) | × | 13 100 |
| = | 3 103 | x | + | ( | 42000000 | − | x | ) | ÷ | 113 100 | × | 13 100 |
| = | 3 103 | x | + | ( | 42000000 | − | x | ) | × | 13 113 |
| = | 3 103 | x | + | 42000000 | × | 13 113 | − | x | × | 13 113 |
| = | 3 103 | x | + | 546000000 113 | − | x | × | 13 113 |
| = | - | 1000 11639 | x | + | 546000000 113 |
| - | 1000 11639 | x | + | 546000000 113 | = | 328130337 100 |
| - | 1000 11639 | x | = | 328130337 100 | − | 546000000 113 |