| - | 293 125 | + | ( | 402379 2000 | × | 73 10000 | ) | ÷ | ( | 73 10000 | + | x | ) | = | 7147 10000 | − | 7581 10000 | x |
| 方程两边同时乘以: | ( | 73 10000 | + | x | ) |
| - | 293 125 | ( | 73 10000 | + | x | ) | + | ( | 402379 2000 | × | 73 10000 | ) | = | 7147 10000 | ( | 73 10000 | + | x | ) | − | 7581 10000 | x | ( | 73 10000 | + | x | ) |
| - | 293 125 | × | 73 10000 | − | 293 125 | x | + | ( | 402379 2000 | × | 73 10000 | ) | = | 7147 10000 | ( | 73 10000 | + | x | ) | − | 7581 10000 | x | ( | 73 10000 | + | x | ) |
| - | 293 125 | × | 73 10000 | − | 293 125 | x | + | ( | 402379 2000 | × | 73 10000 | ) | = | 7147 10000 | × | 73 10000 | + | 7147 10000 | x | − | 7581 10000 | x | ( | 73 10000 | + | x | ) |
| - | 21389 1250000 | − | 293 125 | x | + | ( | 402379 2000 | × | 73 10000 | ) | = | 521731 100000000 | + | 7147 10000 | x | − | 7581 10000 | x | ( | 73 10000 | + | x | ) |
| - | 21389 1250000 | − | 293 125 | x | + | 402379 2000 | × | 73 10000 | = | 521731 100000000 | + | 7147 10000 | x | − | 7581 10000 | x | ( | 73 10000 | + | x | ) |
| - | 21389 1250000 | − | 293 125 | x | + | 402379 2000 | × | 73 10000 | = | 521731 100000000 | + | 7147 10000 | x | − | 7581 10000 | x | × | 73 10000 | − | 7581 10000 | x | x |
| - | 21389 1250000 | − | 293 125 | x | + | 29373667 20000000 | = | 521731 100000000 | + | 7147 10000 | x | − | 553413 100000000 | x | − | 7581 10000 | x | x |