| ( | 2 | x | + | ( | x | + | 53 | ) | ) | × | 14 | ÷ | 3 | ÷ | 4 | = | 750 |
| 方程左边 = | ( | 2 | x | + | ( | x | + | 53 | ) | ) | × | 7 6 |
| ( | 2 | x | + | ( | x | + | 53 | ) | ) | × | 7 6 | = | 750 |
| 方程左边 = | 2 | x | × | 7 6 | + | ( | x | + | 53 | ) | × | 7 6 |
| = | 7 3 | x | + | ( | x | + | 53 | ) | × | 7 6 |
| = | 7 3 | x | + | x | × | 7 6 | + | 53 | × | 7 6 |
| = | 7 3 | x | + | x | × | 7 6 | + | 371 6 |
| = | 7 2 | x | + | 371 6 |
7 2 | x | + | 371 6 | = | 750 |
7 2 | x | = | 750 | − | 371 6 |
7 2 | x | = | 4129 6 |
| x | = | 4129 6 | ÷ | 7 2 |
| = | 4129 6 | × | 2 7 |
| = | 4129 3 | × | 1 7 |
| x | = | 4129 21 |
| x | = | 196.619048 |