| x | × | 2 | ÷ | 3 | + | 255 | ÷ | 3 | = | 238 |
| 方程左边 = | x | × | 2 3 | + | 85 |
2 3 | x | + | 85 | = | 238 |
2 3 | x | = | 238 | − | 85 |
2 3 | x | = | 153 |
| x | = | 153 | ÷ | 2 3 |
| = | 153 | × | 3 2 |
| x | = | 459 2 |
| x | = | 229.5 |
| x | × | 2 | ÷ | 3 | + | 225 | ÷ | 3 | = | 94 |
| 方程左边 = | x | × | 2 3 | + | 75 |
2 3 | x | + | 75 | = | 94 |
2 3 | x | = | 94 | − | 75 |
2 3 | x | = | 19 |
| x | = | 19 | ÷ | 2 3 |
| = | 19 | × | 3 2 |
| x | = | 57 2 |
| x | = | 28.5 |
| x | × | 2 | ÷ | 3 | + | 210 | ÷ | 3 | = | 151 |
| 方程左边 = | x | × | 2 3 | + | 70 |
2 3 | x | + | 70 | = | 151 |
2 3 | x | = | 151 | − | 70 |
2 3 | x | = | 81 |
| x | = | 81 | ÷ | 2 3 |
| = | 81 | × | 3 2 |
| x | = | 243 2 |
| x | = | 121.5 |