| ( | 169 100 | − | 1 | ) | ÷ | ( | x | − | 19 10 | ) | = | ( | 2 | − | 169 100 | ) | ÷ | ( | 179 100 | − | x | ) |
| 方程两边同时乘以: | ( | x | − | 19 10 | ) | , | ( | 179 100 | − | x | ) |
| ( | 169 100 | − | 1 | ) | ( | 179 100 | − | x | ) | = | ( | 2 | − | 169 100 | ) | ( | x | − | 19 10 | ) |
169 100 | ( | 179 100 | − | x | ) | − | 1 | ( | 179 100 | − | x | ) | = | ( | 2 | − | 169 100 | ) | ( | x | − | 19 10 | ) |
169 100 | ( | 179 100 | − | x | ) | − | 1 | ( | 179 100 | − | x | ) | = | 2 | ( | x | − | 19 10 | ) | − | 169 100 | ( | x | − | 19 10 | ) |
169 100 | × | 179 100 | − | 169 100 | x | − | 1 | ( | 179 100 | − | x | ) | = | 2 | ( | x | − | 19 10 | ) | − | 169 100 | ( | x | − | 19 10 | ) |
169 100 | × | 179 100 | − | 169 100 | x | − | 1 | ( | 179 100 | − | x | ) | = | 2 | x | − | 2 | × | 19 10 | − | 169 100 | ( | x | − | 19 10 | ) |
30251 10000 | − | 169 100 | x | − | 1 | ( | 179 100 | − | x | ) | = | 2 | x | − | 19 5 | − | 169 100 | ( | x | − | 19 10 | ) |
30251 10000 | − | 169 100 | x | − | 1 | × | 179 100 | + | 1 | x | = | 2 | x | − | 19 5 | − | 169 100 | ( | x | − | 19 10 | ) |
30251 10000 | − | 169 100 | x | − | 1 | × | 179 100 | + | 1 | x | = | 2 | x | − | 19 5 | − | 169 100 | x | + | 169 100 | × | 19 10 |
30251 10000 | − | 169 100 | x | − | 179 100 | + | 1 | x | = | 2 | x | − | 19 5 | − | 169 100 | x | + | 3211 1000 |
12351 10000 | − | 69 100 | x | = | 31 100 | x | − | 589 1000 |
| - | 69 100 | x | − | 31 100 | x | = | - | 589 1000 | − | 12351 10000 |
| - | x | = | - | 589 1000 | − | 12351 10000 |
| - | x | = | - | 589 1000 | − | 12351 10000 |
| - | x | = | - | 18241 10000 |
18241 10000 | = | x |
| x | = | 18241 10000 |