| ( | 5 | ( | 500 | + | X | ) | + | 246 | ) | ÷ | ( | 600 | + | X | ) | = | 47 10 |
| 方程两边同时乘以: | ( | 600 | + | X | ) |
| ( | 5 | ( | 500 | + | X | ) | + | 246 | ) | = | 47 10 | ( | 600 | + | X | ) |
| 5 | ( | 500 | + | X | ) | + | 246 | = | 47 10 | ( | 600 | + | X | ) |
| 5 | ( | 500 | + | X | ) | + | 246 | = | 47 10 | × | 600 | + | 47 10 | X |
| 5 | ( | 500 | + | X | ) | + | 246 | = | 2820 | + | 47 10 | X |
| 5 | × | 500 | + | 5 | X | + | 246 | = | 2820 | + | 47 10 | X |
| 2500 | + | 5 | X | + | 246 | = | 2820 | + | 47 10 | X |
| 2746 | + | 5 | X | = | 2820 | + | 47 10 | X |
| 5 | X | − | 47 10 | X | = | 2820 | − | 2746 |
3 10 | X | = | 2820 | − | 2746 |
3 10 | X | = | 74 |
| X | = | 74 | ÷ | 3 10 |
| = | 74 | × | 10 3 |
| X | = | 740 3 |
| X | = | 246.666667 |