| 3227874 | ( | x | + | 9 2 | ) | = | 54259920 |
| 方程左边 = | 3227874 | x | + | 3227874 | × | 9 2 |
| = | 3227874 | x | + | 14525433 |
| 3227874 | x | + | 14525433 | = | 54259920 |
| 3227874 | x | = | 54259920 | − | 14525433 |
| 3227874 | x | = | 39734487 |
| x | = | 39734487 | ÷ | 3227874 |
| = | 39734487 | × | 1 3227874 |
| = | 1018833 | × | 1 82766 |
| x | = | 1018833 82766 |
| x | = | 12.309801 |