| 10000 | ÷ | ( | 115 | + | x | ) | + | 10000 | ÷ | ( | 575 4 | + | x | ) | = | 150 |
| 方程两边同时乘以: | ( | 115 | + | x | ) |
| 10000 | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | ( | 115 | + | x | ) | = | 150 | ( | 115 | + | x | ) |
| 10000 | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | 115 | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | x | = | 150 | ( | 115 | + | x | ) |
| 10000 | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | 115 | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | x | = | 150 | × | 115 | + | 150 | x |
| 10000 | + | 1150000 | ÷ | ( | 575 4 | + | x | ) | + | 10000 | ÷ | ( | 575 4 | + | x | ) | × | x | = | 17250 | + | 150 | x |
| 方程两边同时乘以: | ( | 575 4 | + | x | ) |
| 10000 | ( | 575 4 | + | x | ) | + | 1150000 | + | 10000 | x | = | 17250 | ( | 575 4 | + | x | ) | + | 150 | x | ( | 575 4 | + | x | ) |
| 10000 | × | 575 4 | + | 10000 | x | + | 1150000 | + | 10000 | x | = | 17250 | ( | 575 4 | + | x | ) | + | 150 | x | ( | 575 4 | + | x | ) |
| 10000 | × | 575 4 | + | 10000 | x | + | 1150000 | + | 10000 | x | = | 17250 | × | 575 4 | + | 17250 | x | + | 150 | x | ( | 575 4 | + | x | ) |
| 1437500 | + | 10000 | x | + | 1150000 | + | 10000 | x | = | 4959375 2 | + | 17250 | x | + | 150 | x | ( | 575 4 | + | x | ) |
| 2587500 | + | 20000 | x | = | 4959375 2 | + | 17250 | x | + | 150 | x | ( | 575 4 | + | x | ) |
| 2587500 | + | 20000 | x | = | 4959375 2 | + | 17250 | x | + | 150 | x | × | 575 4 | + | 150 | x | x |
| 2587500 | + | 20000 | x | = | 4959375 2 | + | 17250 | x | + | 43125 2 | x | + | 150 | x | x |
| 2587500 | + | 20000 | x | = | 4959375 2 | + | 77625 2 | x | + | 150 | x | x |