| x | ÷ | ( | x | − | 2043 100 | ) | ÷ | 4 5 | × | 11 10 | = | 18 5 |
| 方程两边同时乘以: | ( | x | − | 2043 100 | ) |
| x | ÷ | 4 5 | × | 11 10 | = | 18 5 | ( | x | − | 2043 100 | ) |
| x | ÷ | 4 5 | × | 11 10 | = | 18 5 | x | − | 18 5 | × | 2043 100 |
| x | × | 11 8 | = | 18 5 | x | − | 18387 250 |
11 8 | x | − | 18 5 | x | = | - | 18387 250 |
| - | 89 40 | x | = | - | 18387 250 |
18387 250 | = | 89 40 | x |
89 40 | x | = | 18387 250 |
| x | = | 18387 250 | ÷ | 89 40 |
| = | 18387 250 | × | 40 89 |
| = | 18387 25 | × | 4 89 |
| x | = | 73548 2225 |
| x | = | 33.055281 |