| ( | ( | 220 | ÷ | X | ) | + | 1 | ) | × | 34 25 | = | 24 5 |
| ( | 220 | ÷ | X | ) | × | 34 25 | + | 1 | × | 34 25 | = | 24 5 |
| ( | 220 | ÷ | X | ) | × | 34 25 | + | 34 25 | = | 24 5 |
| 220 | ÷ | X | × | 34 25 | + | 34 25 | = | 24 5 |
1496 5 | ÷ | X | + | 34 25 | = | 24 5 |
| 方程两边同时乘以: | X |
1496 5 | + | 34 25 | X | = | 24 5 | X |
34 25 | X | − | 24 5 | X | = | - | 1496 5 |
| - | 86 25 | X | = | - | 1496 5 |
1496 5 | = | 86 25 | X |
86 25 | X | = | 1496 5 |
| X | = | 1496 5 | ÷ | 86 25 |
| = | 1496 5 | × | 25 86 |
| = | 748 | × | 5 43 |
| X | = | 3740 43 |
| X | = | 86.976744 |