| ( | x | − | x | ÷ | 113 100 | × | 13 100 | ) | ÷ | 67 10 | = | 3137 2000000 |
| 方程左边 = | x | × | 10 67 | − | x | ÷ | 113 100 | × | 13 100 | × | 10 67 |
| = | x | × | 10 67 | − | x | × | 130 7571 |
| = | 1000 7571 | x |
1000 7571 | x | = | 3137 2000000 |
| x | = | 3137 2000000 | ÷ | 1000 7571 |
| = | 3137 2000000 | × | 7571 1000 |
| x | = | 23750227 2000000000 |
| x | = | 0.011875 |