7179 100 | = | ( | x | ÷ | 5 | ) | × | 7 10 | + | 6057 100 | × | 3 10 |
| 方程右边 = | ( | x | ÷ | 5 | ) | × | 7 10 | + | 18171 1000 |
7179 100 | = | ( | x | ÷ | 5 | ) | × | 7 10 | + | 18171 1000 |
| 方程右边 = | x | ÷ | 5 | × | 7 10 | + | 18171 1000 |
| = | x | × | 7 50 | + | 18171 1000 |
7179 100 | = | 7 50 | x | + | 18171 1000 |
| - | 7 50 | x | = | 18171 1000 | − | 7179 100 |
| - | 7 50 | x | = | - | 53619 1000 |
53619 1000 | = | 7 50 | x |
7 50 | x | = | 53619 1000 |
| x | = | 53619 1000 | ÷ | 7 50 |
| = | 53619 1000 | × | 50 7 |
| = | 53619 20 | × | 1 7 |
| x | = | 53619 140 |
| x | = | 382.992857 |