| 10000 | ÷ | ( | x | + | 103 | × | 3 25 | ) | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | = | 150 |
| 方程两边同时乘以: | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | ( | x | + | 103 | × | 3 25 | ) | = | 150 | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | x | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | 103 | × | 3 25 | = | 150 | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | x | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | 103 | × | 3 25 | = | 150 | x | + | 150 | × | 103 | × | 3 25 |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 1 100 | ) | × | x | + | 123600 | ÷ | ( | x | + | 103 | × | 1 100 | ) | = | 150 | x | + | 1854 |
| 方程两边同时乘以: | ( | x | + | 103 | × | 1 100 | ) |
| 10000 | ( | x | + | 103 | × | 1 100 | ) | + | 10000 | x | + | 123600 | = | 150 | x | ( | x | + | 103 | × | 1 100 | ) | + | 1854 | ( | x | + | 103 | × | 1 100 | ) |
| 10000 | x | + | 10000 | × | 103 | × | 1 100 | + | 10000 | x | + | 123600 | = | 150 | x | ( | x | + | 103 | × | 1 100 | ) | + | 1854 | ( | x | + | 103 | × | 1 100 | ) |
| 10000 | x | + | 10000 | × | 103 | × | 1 100 | + | 10000 | x | + | 123600 | = | 150 | x | x | + | 150 | x | × | 103 | × | 1 100 | + | 1854 | ( | x | + | 103 | × | 1 100 | ) |
| 10000 | x | + | 10300 | + | 10000 | x | + | 123600 | = | 150 | x | x | + | 309 2 | x | + | 1854 | ( | x | + | 103 | × | 1 100 | ) |
| 20000 | x | + | 133900 | = | 150 | x | x | + | 309 2 | x | + | 1854 | ( | x | + | 103 | × | 1 100 | ) |
| 20000 | x | + | 133900 | = | 150 | x | x | + | 309 2 | x | + | 1854 | x | + | 1854 | × | 103 | × | 1 100 |
| 20000 | x | + | 133900 | = | 150 | x | x | + | 309 2 | x | + | 1854 | x | + | 95481 50 |
| 20000 | x | + | 133900 | = | 150 | x | x | + | 4017 2 | x | + | 95481 50 |