| 90 | ÷ | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | = | 60 | + | x | ÷ | 24 |
| 方程两边同时乘以: | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) |
| 90 | = | 60 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | + | x | ÷ | 24 | × | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) |
| 90 | = | 60 | × | 14 | − | 60 | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | + | x | ÷ | 24 | × | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) |
| 90 | = | 840 | − | 60 | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) |
| 90 | = | 840 | − | 60 | x | ÷ | ( | 24 | + | x | − | 60 | ) | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) |
| 方程两边同时乘以: | ( | 24 | + | x | − | 60 | ) |
| 90 | ( | 24 | + | x | − | 60 | ) | = | 840 | ( | 24 | + | x | − | 60 | ) | − | 60 | x | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | ( | 24 | + | x | − | 60 | ) |
| 90 | × | 24 | + | 90 | x | − | 90 | × | 60 | = | 840 | ( | 24 | + | x | − | 60 | ) | − | 60 | x | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | ( | 24 | + | x | − | 60 | ) |
| 90 | × | 24 | + | 90 | x | − | 90 | × | 60 | = | 840 | × | 24 | + | 840 | x | − | 840 | × | 60 | − | 60 | x | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | ( | 24 | + | x | − | 60 | ) |
| 2160 | + | 90 | x | − | 5400 | = | 20160 | + | 840 | x | − | 50400 | − | 60 | x | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 780 | x | + | x | × | 1 24 | ( | 14 | − | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ) | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 780 | x | + | x | × | 1 24 | × | 14 | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 780 | x | + | x | × | 7 12 | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 780 | x | + | x | × | 7 12 | × | 24 | + | x | × | 7 12 | x | − | x | × | 7 12 | × | 60 |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 780 | x | + | x | × | 14 | + | x | × | 7 12 | x | − | x | × | 35 | − | x | × | 1 24 |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 759 | x | + | x | × | 7 12 | x | − | x | × | 1 24 | ( | x | ÷ | ( | 24 | + | x | − | 60 | ) | ) | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | + | 90 | x | = | - | 30240 | + | 759 | x | + | x | × | 7 12 | x | − | x | × | 1 24 | x | ÷ | ( | 24 | + | x | − | 60 | ) | × | ( | 24 | + | x | − | 60 | ) |
| 方程两边同时乘以: | ( | 24 | + | x | − | 60 | ) |
| - | 3240 | ( | 24 | + | x | − | 60 | ) | + | 90 | x | ( | 24 | + | x | − | 60 | ) | = | - | 30240 | ( | 24 | + | x | − | 60 | ) | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 | x |
| - | 3240 | × | 24 | − | 3240 | x | + | 3240 | × | 60 | + | 90 | x | ( | 24 | + | x | − | 60 | ) | = | - | 30240 | ( | 24 | + | x | − | 60 | ) | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 | x |
| - | 3240 | × | 24 | − | 3240 | x | + | 3240 | × | 60 | + | 90 | x | ( | 24 | + | x | − | 60 | ) | = | - | 30240 | × | 24 | − | 30240 | x | + | 30240 | × | 60 | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x |
| - | 77760 | − | 3240 | x | + | 194400 | + | 90 | x | ( | 24 | + | x | − | 60 | ) | = | - | 725760 | − | 30240 | x | + | 1814400 | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x | ( | 24 | + | x | − | 60 | ) | − | x |
| 116640 | − | 3240 | x | + | 90 | x | ( | 24 | + | x | − | 60 | ) | = | 1088640 | − | 30240 | x | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 |
| 116640 | − | 3240 | x | + | 90 | x | × | 24 | + | 90 | x | x | − | 90 | x | × | 60 | = | 1088640 | − | 30240 | x | + | 759 | x | ( | 24 | + | x | − | 60 | ) | + | x | × | 7 12 | x | ( | 24 | + | x | − | 60 | ) | − | x | × | 1 24 |
| 116640 | − | 3240 | x | + | 90 | x | × | 24 | + | 90 | x | x | − | 90 | x | × | 60 | = | 1088640 | − | 30240 | x | + | 759 | x | × | 24 | + | 759 | x | x | − | 759 | x | × | 60 |
| 116640 | − | 3240 | x | + | 2160 | x | + | 90 | x | x | − | 5400 | x | = | 1088640 | − | 30240 | x | + | 18216 | x | + | 759 | x | x | − | 45540 | x | + | x | × | 7 12 |