| ( | x | − | 530468776136 3125 | ) | ÷ | x | = | - | 97 2500 |
| 方程两边同时乘以: | x |
| ( | x | − | 530468776136 3125 | ) | = | - | 97 2500 | x |
| x | − | 530468776136 3125 | = | - | 97 2500 | x |
| x | + | 97 2500 | x | = | 530468776136 3125 |
2597 2500 | x | = | 530468776136 3125 |
| x | = | 530468776136 3125 | ÷ | 2597 2500 |
| = | 530468776136 3125 | × | 2500 2597 |
| = | 530468776136 5 | × | 4 2597 |
| x | = | 2121875104544 12985 |