| ( | 12 | − | x | ) | ÷ | ( | 33 | + | 22 | × | 4 5 | ) | − | x | ÷ | 24 | = | ( | x | − | 7 10 | ) | ÷ | 781 10 |
| 方程两边同时乘以: | ( | 33 | + | 22 | × | 4 5 | ) |
| ( | 12 | − | x | ) | − | x | ÷ | 24 | × | ( | 33 | + | 22 | × | 4 5 | ) | = | ( | x | − | 7 10 | ) | ÷ | 781 10 | × | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | ÷ | 24 | × | ( | 33 | + | 22 | × | 4 5 | ) | = | ( | x | − | 7 10 | ) | ÷ | 781 10 | × | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | ÷ | 24 | × | ( | 33 | + | 22 | × | 4 5 | ) | = | x | ÷ | 781 10 | × | ( | 33 | + | 22 | × | 4 5 | ) | − | 7 10 | ÷ | 781 10 | × | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | × | 1 24 | ( | 33 | + | 22 | × | 4 5 | ) | = | x | × | 10 781 | ( | 33 | + | 22 | × | 4 5 | ) | − | 7 781 | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | × | 1 24 | × | 33 | − | x | × | 1 24 | × | 22 | × | 4 5 | = | x | × | 10 781 | ( | 33 | + | 22 | × | 4 5 | ) | − | 7 781 | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | × | 1 24 | × | 33 | − | x | × | 1 24 | × | 22 | × | 4 5 | = | x | × | 10 781 | × | 33 | + | x | × | 10 781 | × | 22 | × | 4 5 | − | 7 781 | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | x | − | x | × | 11 8 | − | x | × | 11 15 | = | x | × | 30 71 | + | x | × | 16 71 | − | 7 781 | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | 373 120 | x | = | 46 71 | x | − | 7 781 | ( | 33 | + | 22 | × | 4 5 | ) |
| 12 | − | 373 120 | x | = | 46 71 | x | − | 7 781 | × | 33 | − | 7 781 | × | 22 | × | 4 5 |
| 12 | − | 373 120 | x | = | 46 71 | x | − | 21 71 | − | 56 355 |
| 12 | − | 373 120 | x | = | 46 71 | x | − | 161 355 |
| - | 373 120 | x | − | 46 71 | x | = | - | 161 355 | − | 12 |
| - | 32003 8520 | x | = | - | 161 355 | − | 12 |
| - | 32003 8520 | x | = | - | 4421 355 |
4421 355 | = | 32003 8520 | x |
32003 8520 | x | = | 4421 355 |
| x | = | 4421 355 | ÷ | 32003 8520 |
| = | 4421 355 | × | 8520 32003 |
| = | 4421 | × | 24 32003 |
| x | = | 106104 32003 |
| x | = | 3.315439 |