| ( | 3472 125 | + | x | ) | × | 51 20 | = | 6944 125 | + | 19157 250 | − | x |
| 方程左边 = | 3472 125 | × | 51 20 | + | x | × | 51 20 |
| = | 44268 625 | + | x | × | 51 20 |
44268 625 | + | 51 20 | x | = | 6944 125 | + | 19157 250 | − | x |
| 方程右边 = | 6609 50 | − | x |
44268 625 | + | 51 20 | x | = | 6609 50 | − | x |
51 20 | x | + | x | = | 6609 50 | − | 44268 625 |
71 20 | x | = | 6609 50 | − | 44268 625 |
71 20 | x | = | 76689 1250 |
| x | = | 76689 1250 | ÷ | 71 20 |
| = | 76689 1250 | × | 20 71 |
| = | 76689 125 | × | 2 71 |
| x | = | 153378 8875 |
| x | = | 17.282028 |