| ( | 2 | x | + | ( | x | + | 53 | ) | ) | ÷ | 3 | × | 14 | = | 750 |
| 方程左边 = | ( | 2 | x | + | ( | x | + | 53 | ) | ) | × | 14 3 |
| ( | 2 | x | + | ( | x | + | 53 | ) | ) | × | 14 3 | = | 750 |
| 方程左边 = | 2 | x | × | 14 3 | + | ( | x | + | 53 | ) | × | 14 3 |
| = | 28 3 | x | + | ( | x | + | 53 | ) | × | 14 3 |
| = | 28 3 | x | + | x | × | 14 3 | + | 53 | × | 14 3 |
| = | 28 3 | x | + | x | × | 14 3 | + | 742 3 |
| = | 14 | x | + | 742 3 |
| 14 | x | + | 742 3 | = | 750 |
| 14 | x | = | 750 | − | 742 3 |
| 14 | x | = | 1508 3 |
| x | = | 1508 3 | ÷ | 14 |
| = | 1508 3 | × | 1 14 |
| = | 754 3 | × | 1 7 |
| x | = | 754 21 |
| x | = | 35.904762 |