| - | 10067 5000 | + | ( | 21814 25 | × | 3 2500 | ) | ÷ | ( | 3 2500 | + | x | ) | = | 2707 10000 | − | 2733 10000 | x |
| 方程两边同时乘以: | ( | 3 2500 | + | x | ) |
| - | 10067 5000 | ( | 3 2500 | + | x | ) | + | ( | 21814 25 | × | 3 2500 | ) | = | 2707 10000 | ( | 3 2500 | + | x | ) | − | 2733 10000 | x | ( | 3 2500 | + | x | ) |
| - | 10067 5000 | × | 3 2500 | − | 10067 5000 | x | + | ( | 21814 25 | × | 3 2500 | ) | = | 2707 10000 | ( | 3 2500 | + | x | ) | − | 2733 10000 | x | ( | 3 2500 | + | x | ) |
| - | 10067 5000 | × | 3 2500 | − | 10067 5000 | x | + | ( | 21814 25 | × | 3 2500 | ) | = | 2707 10000 | × | 3 2500 | + | 2707 10000 | x | − | 2733 10000 | x | ( | 3 2500 | + | x | ) |
| - | 30201 12500000 | − | 10067 5000 | x | + | ( | 21814 25 | × | 3 2500 | ) | = | 8121 25000000 | + | 2707 10000 | x | − | 2733 10000 | x | ( | 3 2500 | + | x | ) |
| - | 30201 12500000 | − | 10067 5000 | x | + | 21814 25 | × | 3 2500 | = | 8121 25000000 | + | 2707 10000 | x | − | 2733 10000 | x | ( | 3 2500 | + | x | ) |
| - | 30201 12500000 | − | 10067 5000 | x | + | 21814 25 | × | 3 2500 | = | 8121 25000000 | + | 2707 10000 | x | − | 2733 10000 | x | × | 3 2500 | − | 2733 10000 | x | x |
| - | 30201 12500000 | − | 10067 5000 | x | + | 32721 31250 | = | 8121 25000000 | + | 2707 10000 | x | − | 8199 25000000 | x | − | 2733 10000 | x | x |