672 5 | + | 64 | + | ( | 17 | − | x | ) | × | 43 10 | = | ( | 696 5 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程左边 = | 992 5 | + | ( | 17 | − | x | ) | × | 43 10 |
992 5 | + | ( | 17 | − | x | ) | × | 43 10 | = | ( | 696 5 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程左边 = | 992 5 | + | 17 | × | 43 10 | − | x | × | 43 10 |
| = | 992 5 | + | 731 10 | − | x | × | 43 10 |
| = | 543 2 | − | 43 10 | x |
543 2 | − | 43 10 | x | = | ( | 696 5 | + | 13 2 | x | ) | ÷ | 3 2 |
| 方程右边 = | 696 5 | × | 2 3 | + | 13 2 | x | × | 2 3 |
| = | 464 5 | + | 13 3 | x |
543 2 | − | 43 10 | x | = | 464 5 | + | 13 3 | x |
| - | 43 10 | x | − | 13 3 | x | = | 464 5 | − | 543 2 |
| - | 259 30 | x | = | 464 5 | − | 543 2 |
| - | 259 30 | x | = | - | 1787 10 |
1787 10 | = | 259 30 | x |
259 30 | x | = | 1787 10 |
| x | = | 1787 10 | ÷ | 259 30 |
| = | 1787 10 | × | 30 259 |
| = | 1787 | × | 3 259 |
| x | = | 5361 259 |
| x | = | 20.698842 |