| 5 | − | 1 10 | − | ( | 1 | + | x | ) | ÷ | x | × | 1 10 | × | 3 10 | = | 1 5 |
| 方程两边同时乘以: | x |
| 5 | x | − | 1 10 | x | − | ( | 1 | + | x | ) | × | 1 10 | × | 3 10 | = | 1 5 | x |
| 5 | x | − | 1 10 | x | − | 1 | × | 1 10 | × | 3 10 | − | x | × | 1 10 | × | 3 10 | = | 1 5 | x |
| 5 | x | − | 1 10 | x | − | 3 100 | − | x | × | 3 100 | = | 1 5 | x |
487 100 | x | − | 3 100 | = | 1 5 | x |
487 100 | x | − | 1 5 | x | = | 3 100 |
467 100 | x | = | 3 100 |
| x | = | 3 100 | ÷ | 467 100 |
| = | 3 100 | × | 100 467 |
| = | 3 | × | 1 467 |
| x | = | 3 467 |
| x | = | 0.006424 |