| ( | ( | x | + | 29800 | ) | ÷ | 2982189 | − | x | ) | ÷ | x | = | 4 25 |
| 方程两边同时乘以: | x |
| ( | ( | x | + | 29800 | ) | ÷ | 2982189 | − | x | ) | = | 4 25 | x |
| ( | x | + | 29800 | ) | ÷ | 2982189 | − | x | = | 4 25 | x |
| x | × | 1 2982189 | + | 29800 | × | 1 2982189 | − | x | = | 4 25 | x |
| x | × | 1 2982189 | + | 29800 2982189 | − | x | = | 4 25 | x |
| - | 2982188 2982189 | x | + | 29800 2982189 | = | 4 25 | x |
| - | 2982188 2982189 | x | − | 4 25 | x | = | - | 29800 2982189 |
| - | 86483456 74554725 | x | = | - | 29800 2982189 |
29800 2982189 | = | 86483456 74554725 | x |
86483456 74554725 | x | = | 29800 2982189 |
| x | = | 29800 2982189 | ÷ | 86483456 74554725 |
| = | 29800 2982189 | × | 74554725 86483456 |
| = | 3725 20287 | × | 507175 10810432 |
| x | = | 1889226875 219311233984 |