| x | = | 27 1000 | ÷ | ( | 241 100 | − | 141 100 | × | 27 1000 | ) |
| 方程两边同时乘以: | ( | 241 100 | − | 141 100 | × | 27 1000 | ) |
| x | ( | 241 100 | − | 141 100 | × | 27 1000 | ) | = | 27 1000 |
| x | × | 241 100 | − | x | × | 141 100 | × | 27 1000 | = | 27 1000 |
| x | × | 241 100 | − | x | × | 3807 100000 | = | 27 1000 |
237193 100000 | x | = | 27 1000 |
| x | = | 27 1000 | ÷ | 237193 100000 |
| = | 27 1000 | × | 100000 237193 |
| = | 27 | × | 100 237193 |
| x | = | 2700 237193 |
| x | = | 0.011383 |