| 10000 | ÷ | ( | x | + | 103 | × | 3 25 | ) | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | = | 150 |
| 方程两边同时乘以: | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | ( | x | + | 103 | × | 3 25 | ) | = | 150 | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | x | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | 103 | × | 3 25 | = | 150 | ( | x | + | 103 | × | 3 25 | ) |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | x | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | 103 | × | 3 25 | = | 150 | x | + | 150 | × | 103 | × | 3 25 |
| 10000 | + | 10000 | ÷ | ( | x | + | 103 | × | 19 200 | ) | × | x | + | 123600 | ÷ | ( | x | + | 103 | × | 19 200 | ) | = | 150 | x | + | 1854 |
| 方程两边同时乘以: | ( | x | + | 103 | × | 19 200 | ) |
| 10000 | ( | x | + | 103 | × | 19 200 | ) | + | 10000 | x | + | 123600 | = | 150 | x | ( | x | + | 103 | × | 19 200 | ) | + | 1854 | ( | x | + | 103 | × | 19 200 | ) |
| 10000 | x | + | 10000 | × | 103 | × | 19 200 | + | 10000 | x | + | 123600 | = | 150 | x | ( | x | + | 103 | × | 19 200 | ) | + | 1854 | ( | x | + | 103 | × | 19 200 | ) |
| 10000 | x | + | 10000 | × | 103 | × | 19 200 | + | 10000 | x | + | 123600 | = | 150 | x | x | + | 150 | x | × | 103 | × | 19 200 | + | 1854 | ( | x | + | 103 | × | 19 200 | ) |
| 10000 | x | + | 97850 | + | 10000 | x | + | 123600 | = | 150 | x | x | + | 5871 4 | x | + | 1854 | ( | x | + | 103 | × | 19 200 | ) |
| 20000 | x | + | 221450 | = | 150 | x | x | + | 5871 4 | x | + | 1854 | ( | x | + | 103 | × | 19 200 | ) |
| 20000 | x | + | 221450 | = | 150 | x | x | + | 5871 4 | x | + | 1854 | x | + | 1854 | × | 103 | × | 19 200 |
| 20000 | x | + | 221450 | = | 150 | x | x | + | 5871 4 | x | + | 1854 | x | + | 1814139 100 |
| 20000 | x | + | 221450 | = | 150 | x | x | + | 13287 4 | x | + | 1814139 100 |