| x | = | 1219 2500 | ÷ | ( | 241 100 | − | 141 100 | × | 1219 2500 | ) |
| 方程两边同时乘以: | ( | 241 100 | − | 141 100 | × | 1219 2500 | ) |
| x | ( | 241 100 | − | 141 100 | × | 1219 2500 | ) | = | 1219 2500 |
| x | × | 241 100 | − | x | × | 141 100 | × | 1219 2500 | = | 1219 2500 |
| x | × | 241 100 | − | x | × | 171879 250000 | = | 1219 2500 |
430621 250000 | x | = | 1219 2500 |
| x | = | 1219 2500 | ÷ | 430621 250000 |
| = | 1219 2500 | × | 250000 430621 |
| = | 1219 | × | 100 430621 |
| x | = | 121900 430621 |
| x | = | 0.28308 |