| ( | 13163 500 | + | x | ) | × | 7 4 | = | 13163 250 | + | 35389 500 | − | x |
| 方程左边 = | 13163 500 | × | 7 4 | + | x | × | 7 4 |
| = | 92141 2000 | + | x | × | 7 4 |
92141 2000 | + | 7 4 | x | = | 13163 250 | + | 35389 500 | − | x |
| 方程右边 = | 12343 100 | − | x |
92141 2000 | + | 7 4 | x | = | 12343 100 | − | x |
7 4 | x | + | x | = | 12343 100 | − | 92141 2000 |
11 4 | x | = | 12343 100 | − | 92141 2000 |
11 4 | x | = | 154719 2000 |
| x | = | 154719 2000 | ÷ | 11 4 |
| = | 154719 2000 | × | 4 11 |
| = | 154719 500 | × | 1 11 |
| x | = | 154719 5500 |
| x | = | 28.130727 |