4157 500 | × | 298 | ÷ | ( | x | − | 133 5000000 | ) | − | 76 3125 | ÷ | x | ÷ | x | = | 100000 |
| 方程两边同时乘以: | ( | x | − | 133 5000000 | ) |
4157 500 | × | 298 | − | 76 3125 | ÷ | x | ÷ | x | × | ( | x | − | 133 5000000 | ) | = | 100000 | ( | x | − | 133 5000000 | ) |
4157 500 | × | 298 | − | 76 3125 | ÷ | x | ÷ | x | × | x | + | 76 3125 | ÷ | x | ÷ | x | × | 133 5000000 | = | 100000 | ( | x | − | 133 5000000 | ) |
4157 500 | × | 298 | − | 76 3125 | ÷ | x | ÷ | x | × | x | + | 76 3125 | ÷ | x | ÷ | x | × | 133 5000000 | = | 100000 | x | − | 100000 | × | 133 5000000 |