| ( | ( | 100 | x | × | 9 2 | ) | + | 5 | x | ) | ÷ | ( | 100 | + | x | ) | = | 24 5 |
| 方程两边同时乘以: | ( | 100 | + | x | ) |
| ( | ( | 100 | x | × | 9 2 | ) | + | 5 | x | ) | = | 24 5 | ( | 100 | + | x | ) |
| ( | 100 | x | × | 9 2 | ) | + | 5 | x | = | 24 5 | ( | 100 | + | x | ) |
| ( | 100 | x | × | 9 2 | ) | + | 5 | x | = | 24 5 | × | 100 | + | 24 5 | x |
| ( | 100 | x | × | 9 2 | ) | + | 5 | x | = | 480 | + | 24 5 | x |
| 100 | x | × | 9 2 | + | 5 | x | = | 480 | + | 24 5 | x |
| 450 | x | + | 5 | x | = | 480 | + | 24 5 | x |
| 455 | x | = | 480 | + | 24 5 | x |
| 455 | x | − | 24 5 | x | = | 480 |
2251 5 | x | = | 480 |
| x | = | 480 | ÷ | 2251 5 |
| = | 480 | × | 5 2251 |
| x | = | 2400 2251 |
| x | = | 1.066193 |