| ( | 5 | ( | 514 | + | X | ) | + | 96 | + | 57 | + | 16 | + | 34 | ) | ÷ | ( | 514 | + | 24 | + | 19 | + | 8 | + | 34 | + | X | ) | = | 47 10 |
| 方程两边同时乘以: | ( | 514 | + | 24 | + | 19 | + | 8 | + | 34 | + | X | ) |
| ( | 5 | ( | 514 | + | X | ) | + | 96 | + | 57 | + | 16 | + | 34 | ) | = | 47 10 | ( | 514 | + | 24 | + | 19 | + | 8 | + | 34 | + | X | ) |
| 5 | ( | 514 | + | X | ) | + | 96 | + | 57 | + | 16 | + | 34 | = | 47 10 | ( | 514 | + | 24 | + | 19 | + | 8 | + | 34 | + | X | ) |
| 5 | ( | 514 | + | X | ) | + | 96 | + | 57 | + | 16 | + | 34 | = | 47 10 | × | 514 | + | 47 10 | × | 24 | + | 47 10 | × | 19 | + | 47 10 | × | 8 | + | 47 10 | × | 34 | + | 47 10 | X |
| 5 | ( | 514 | + | X | ) | + | 96 | + | 57 | + | 16 | + | 34 | = | 12079 5 | + | 564 5 | + | 893 10 | + | 188 5 | + | 799 5 | + | 47 10 | X |
| 5 | ( | 514 | + | X | ) | + | 203 | = | 28153 10 | + | 47 10 | X |
| 5 | × | 514 | + | 5 | X | + | 203 | = | 28153 10 | + | 47 10 | X |
| 2570 | + | 5 | X | + | 203 | = | 28153 10 | + | 47 10 | X |
| 2773 | + | 5 | X | = | 28153 10 | + | 47 10 | X |
| 5 | X | − | 47 10 | X | = | 28153 10 | − | 2773 |
3 10 | X | = | 28153 10 | − | 2773 |
3 10 | X | = | 423 10 |
| X | = | 423 10 | ÷ | 3 10 |
| = | 423 10 | × | 10 3 |
| = | 141 | × | 1 |
| X | = | 141 |