| ( | x | ÷ | 113 100 | + | 10000 | ) | × | 3 | ÷ | 10000 | = | 0 |
| 方程左边 = | ( | x | ÷ | 113 100 | + | 10000 | ) | × | 3 10000 |
| ( | x | ÷ | 113 100 | + | 10000 | ) | × | 3 10000 | = | 0 |
| 方程左边 = | x | ÷ | 113 100 | × | 3 10000 | + | 10000 | × | 3 10000 |
| = | x | × | 3 11300 | + | 3 |
3 11300 | x | + | 3 | = | 0 |
3 11300 | x | = | 0 | − | 3 |
3 11300 | x | = | - | 3 |
| x | = | - | 3 | ÷ | 3 11300 |
| = | - | 3 | × | 11300 3 |
| = | - | 1 | × | 11300 |
| x | = | - | 11300 |