| 8400 | ÷ | ( | x | + | 102 | × | 11 50 | ) | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | = | 150 |
| 方程两边同时乘以: | ( | x | + | 102 | × | 11 50 | ) |
| 8400 | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | ( | x | + | 102 | × | 11 50 | ) | = | 150 | ( | x | + | 102 | × | 11 50 | ) |
| 8400 | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | x | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | 102 | × | 11 50 | = | 150 | ( | x | + | 102 | × | 11 50 | ) |
| 8400 | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | x | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | 102 | × | 11 50 | = | 150 | x | + | 150 | × | 102 | × | 11 50 |
| 8400 | + | 10000 | ÷ | ( | x | + | 102 | × | 1 10 | ) | × | x | + | 224400 | ÷ | ( | x | + | 102 | × | 1 10 | ) | = | 150 | x | + | 3366 |
| 方程两边同时乘以: | ( | x | + | 102 | × | 1 10 | ) |
| 8400 | ( | x | + | 102 | × | 1 10 | ) | + | 10000 | x | + | 224400 | = | 150 | x | ( | x | + | 102 | × | 1 10 | ) | + | 3366 | ( | x | + | 102 | × | 1 10 | ) |
| 8400 | x | + | 8400 | × | 102 | × | 1 10 | + | 10000 | x | + | 224400 | = | 150 | x | ( | x | + | 102 | × | 1 10 | ) | + | 3366 | ( | x | + | 102 | × | 1 10 | ) |
| 8400 | x | + | 8400 | × | 102 | × | 1 10 | + | 10000 | x | + | 224400 | = | 150 | x | x | + | 150 | x | × | 102 | × | 1 10 | + | 3366 | ( | x | + | 102 | × | 1 10 | ) |
| 8400 | x | + | 85680 | + | 10000 | x | + | 224400 | = | 150 | x | x | + | 1530 | x | + | 3366 | ( | x | + | 102 | × | 1 10 | ) |
| 18400 | x | + | 310080 | = | 150 | x | x | + | 1530 | x | + | 3366 | ( | x | + | 102 | × | 1 10 | ) |
| 18400 | x | + | 310080 | = | 150 | x | x | + | 1530 | x | + | 3366 | x | + | 3366 | × | 102 | × | 1 10 |
| 18400 | x | + | 310080 | = | 150 | x | x | + | 1530 | x | + | 3366 | x | + | 171666 5 |
| 18400 | x | + | 310080 | = | 150 | x | x | + | 4896 | x | + | 171666 5 |