2 100 | = | 100 | ( | x | − | 147 | ) | ÷ | ( | x | × | 1100 | ÷ | 100 | ) |
| 方程两边同时乘以: | ( | x | × | 1100 | ÷ | 100 | ) |
2 100 | ( | x | × | 1100 | ÷ | 100 | ) | = | 100 | ( | x | − | 147 | ) |
2 100 | x | × | 1100 | ÷ | 100 | = | 100 | ( | x | − | 147 | ) |
2 100 | x | × | 1100 | ÷ | 100 | = | 100 | x | − | 100 | × | 147 |
11 50 | x | = | 100 | x | − | 14700 |
11 50 | x | − | 100 | x | = | - | 14700 |
| - | 4989 50 | x | = | - | 14700 |
| 14700 | = | 4989 50 | x |
4989 50 | x | = | 14700 |
| x | = | 14700 | ÷ | 4989 50 |
| = | 14700 | × | 50 4989 |
| = | 4900 | × | 50 1663 |
| x | = | 245000 1663 |
| x | = | 147.324113 |