| ( | 299792458 | ÷ | ( | 299792458 | − | x | ) | − | 1 | ) | = | 54188 |
| 299792458 | ÷ | ( | 299792458 | − | x | ) | − | 1 | = | 54188 |
| 方程两边同时乘以: | ( | 299792458 | − | x | ) |
| 299792458 | − | 1 | ( | 299792458 | − | x | ) | = | 54188 | ( | 299792458 | − | x | ) |
| 299792458 | − | 1 | × | 299792458 | + | 1 | x | = | 54188 | ( | 299792458 | − | x | ) |
| 299792458 | − | 1 | × | 299792458 | + | 1 | x | = | 54188 | × | 299792458 | − | 54188 | x |