| ( | 5 | + | 10 | x | ) | ÷ | 11 | = | ( | 6 | + | 14 | x | ) | × | 12 |
| 方程左边 = | 5 | × | 1 11 | + | 10 | x | × | 1 11 |
| = | 5 11 | + | 10 11 | x |
5 11 | + | 10 11 | x | = | ( | 6 | + | 14 | x | ) | × | 12 |
| 方程右边 = | 6 | × | 12 | + | 14 | x | × | 12 |
| = | 72 | + | 168 | x |
5 11 | + | 10 11 | x | = | 72 | + | 168 | x |
10 11 | x | − | 168 | x | = | 72 | − | 5 11 |
| - | 1838 11 | x | = | 72 | − | 5 11 |
| - | 1838 11 | x | = | 787 11 |
| - | 787 11 | = | 1838 11 | x |
1838 11 | x | = | - | 787 11 |
| x | = | - | 787 11 | ÷ | 1838 11 |
| = | - | 787 11 | × | 11 1838 |
| = | - | 787 | × | 1 1838 |
| x | = | - | 787 1838 |
| x | = | - 0.428183 |