| ( | x | + | 709 | ) | × | 11 25 | + | x | + | 709 | = | 18536 |
| 方程左边 = | x | × | 11 25 | + | 709 | × | 11 25 | + | x | + | 709 |
| = | x | × | 11 25 | + | 7799 25 | + | x | + | 709 |
| = | 36 25 | x | + | 25524 25 |
36 25 | x | + | 25524 25 | = | 18536 |
36 25 | x | = | 18536 | − | 25524 25 |
36 25 | x | = | 437876 25 |
| x | = | 437876 25 | ÷ | 36 25 |
| = | 437876 25 | × | 25 36 |
| = | 109469 | × | 1 9 |
| x | = | 109469 9 |
| x | = | 12163.222222 |