| x | = | 8 5 | − | 601 5 | ÷ | ( | 20069 10 | − | 488 | ) |
| 方程两边同时乘以: | ( | 20069 10 | − | 488 | ) |
| x | ( | 20069 10 | − | 488 | ) | = | 8 5 | ( | 20069 10 | − | 488 | ) | − | 601 5 |
| x | × | 20069 10 | − | x | × | 488 | = | 8 5 | ( | 20069 10 | − | 488 | ) | − | 601 5 |
| x | × | 20069 10 | − | x | × | 488 | = | 8 5 | × | 20069 10 | − | 8 5 | × | 488 | − | 601 5 |
| x | × | 20069 10 | − | x | × | 488 | = | 80276 25 | − | 3904 5 | − | 601 5 |
15189 10 | x | = | 57751 25 |
| x | = | 57751 25 | ÷ | 15189 10 |
| = | 57751 25 | × | 10 15189 |
| = | 57751 5 | × | 2 15189 |
| x | = | 115502 75945 |
| x | = | 1.520864 |