| ( | 5 2 | x | ) | ÷ | ( | 3 2 | x | + | 1 | ) | = | 357 500 | x | + | 137 500 |
| 方程两边同时乘以: | ( | 3 2 | x | + | 1 | ) |
| ( | 5 2 | x | ) | = | 357 500 | x | ( | 3 2 | x | + | 1 | ) | + | 137 500 | ( | 3 2 | x | + | 1 | ) |
5 2 | x | = | 357 500 | x | ( | 3 2 | x | + | 1 | ) | + | 137 500 | ( | 3 2 | x | + | 1 | ) |
5 2 | x | = | 357 500 | x | × | 3 2 | x | + | 357 500 | x | × | 1 | + | 137 500 | ( | 3 2 | x | + | 1 | ) |
5 2 | x | = | 1071 1000 | x | x | + | 357 500 | x | + | 137 500 | ( | 3 2 | x | + | 1 | ) |
5 2 | x | = | 1071 1000 | x | x | + | 357 500 | x | + | 137 500 | × | 3 2 | x | + | 137 500 | × | 1 |
5 2 | x | = | 1071 1000 | x | x | + | 357 500 | x | + | 411 1000 | x | + | 137 500 |
5 2 | x | = | 1071 1000 | x | x | + | 9 8 | x | + | 137 500 |