| x | ÷ | 331720217 50 | + | ( | 15197421 25 | − | x | ) | ÷ | ( | 331720217 50 | + | x | ) | + | ( | x | ÷ | 331720217 50 | ) | ( | 15197421 25 | − | x | ) | ÷ | ( | 331720217 50 | + | x | ) | = | 45813973 500000000 |
| 方程两边同时乘以: | ( | 331720217 50 | + | x | ) |
| x | ÷ | 331720217 50 | × | ( | 331720217 50 | + | x | ) | + | ( | 15197421 25 | − | x | ) | + | ( | x | ÷ | 331720217 50 | ) | ( | 15197421 25 | − | x | ) | = | 45813973 500000000 | ( | 331720217 50 | + | x | ) |
| x | ÷ | 331720217 50 | × | 331720217 50 | + | x | ÷ | 331720217 50 | × | x | + | ( | 15197421 25 | − | x | ) | + | ( | x | ÷ | 331720217 50 | ) | ( | 15197421 25 | − | x | ) | = | 45813973 500000000 | ( | 331720217 50 | + | x | ) |
| x | ÷ | 331720217 50 | × | 331720217 50 | + | x | ÷ | 331720217 50 | × | x | + | ( | 15197421 25 | − | x | ) | + | ( | x | ÷ | 331720217 50 | ) | ( | 15197421 25 | − | x | ) | = | 45813973 500000000 | × | 331720217 50 | + | 45813973 500000000 | x |