| 100 | ( | 233801 10000 | − | x | ) | ÷ | ( | 58451 2500 | − | 223801 10000 | ) | = | 29 100 |
| 方程两边同时乘以: | ( | 58451 2500 | − | 223801 10000 | ) |
| 100 | ( | 233801 10000 | − | x | ) | = | 29 100 | ( | 58451 2500 | − | 223801 10000 | ) |
| 100 | × | 233801 10000 | − | 100 | x | = | 29 100 | ( | 58451 2500 | − | 223801 10000 | ) |
| 100 | × | 233801 10000 | − | 100 | x | = | 29 100 | × | 58451 2500 | − | 29 100 | × | 223801 10000 |
233801 100 | − | 100 | x | = | 1695079 250000 | − | 6490229 1000000 |