| ( | ( | 220 | ÷ | X | ) | + | 1 | ) | × | 34 25 | = | 41 10 |
| ( | 220 | ÷ | X | ) | × | 34 25 | + | 1 | × | 34 25 | = | 41 10 |
| ( | 220 | ÷ | X | ) | × | 34 25 | + | 34 25 | = | 41 10 |
| 220 | ÷ | X | × | 34 25 | + | 34 25 | = | 41 10 |
1496 5 | ÷ | X | + | 34 25 | = | 41 10 |
| 方程两边同时乘以: | X |
1496 5 | + | 34 25 | X | = | 41 10 | X |
34 25 | X | − | 41 10 | X | = | - | 1496 5 |
| - | 137 50 | X | = | - | 1496 5 |
1496 5 | = | 137 50 | X |
137 50 | X | = | 1496 5 |
| X | = | 1496 5 | ÷ | 137 50 |
| = | 1496 5 | × | 50 137 |
| = | 1496 | × | 10 137 |
| X | = | 14960 137 |
| X | = | 109.19708 |