113 100 | x | ÷ | 13 100 | + | 103 100 | ( | 2357413 25 | − | x | ) | ÷ | 3 100 | = | 1267500 |
| 方程左边 = | 113 13 | x | + | 103 3 | ( | 2357413 25 | − | x | ) |
113 13 | x | + | 103 3 | ( | 2357413 25 | − | x | ) | = | 1267500 |
| 方程左边 = | 113 13 | x | + | 103 3 | × | 2357413 25 | − | 103 3 | x |
| = | 113 13 | x | + | 242813539 75 | − | 103 3 | x |
| = | - | 1000 39 | x | + | 242813539 75 |
| - | 1000 39 | x | + | 242813539 75 | = | 1267500 |
| - | 1000 39 | x | = | 1267500 | − | 242813539 75 |
| - | 1000 39 | x | = | - | 147751039 75 |
147751039 75 | = | 1000 39 | x |
1000 39 | x | = | 147751039 75 |
| x | = | 147751039 75 | ÷ | 1000 39 |
| = | 147751039 75 | × | 39 1000 |
| = | 147751039 25 | × | 13 1000 |
| x | = | 1920763507 25000 |
| x | = | 76830.54028 |