| x | + | ( | x | ÷ | ( | 2 | ÷ | 3 | ) | ) | ÷ | 3 | = | 1769 10 |
| x | + | x | ÷ | ( | 2 | ÷ | 3 | ) | ÷ | 3 | = | 1769 10 |
| 方程两边同时乘以: | ( | 2 | ÷ | 3 | ) |
| x | ( | 2 | ÷ | 3 | ) | + | x | × | 1 3 | = | 1769 10 | ( | 2 | ÷ | 3 | ) |
| x | × | 2 | ÷ | 3 | + | x | × | 1 3 | = | 1769 10 | ( | 2 | ÷ | 3 | ) |
| x | × | 2 | ÷ | 3 | + | x | × | 1 3 | = | 1769 10 | × | 2 | ÷ | 3 |
| x | × | 2 3 | + | x | × | 1 3 | = | 1769 15 |
| 1 | x | = | 1769 15 |
| x | = | 1769 15 |