| ( | x | − | 9 100 | ) | ÷ | 1 100 | = | - | 1011 100 | − | 3391 100 |
| x | ÷ | 1 100 | − | 9 100 | ÷ | 1 100 | = | - | 1011 100 | − | 3391 100 |
| x | × | 100 | − | 9 | = | - | 1011 100 | − | 3391 100 |
| 100 | x | − | 9 | = | - | 2201 50 |
| 100 | x | = | - | 2201 50 | + | 9 |
| 100 | x | = | - | 1751 50 |
| x | = | - | 1751 50 | ÷ | 100 |
| = | - | 1751 50 | × | 1 100 |
| x | = | - | 1751 5000 |
| x | = | - 0.3502 |