233 10 | − | 3754 | ÷ | x | = | 243 10 | − | 3063 | ÷ | x |
| Multiply both sides of the equation by: | x |
233 10 | x | − | 3754 | = | 243 10 | x | − | 3063 | ÷ | 1 | × | 1 |
233 10 | x | − | 243 10 | x | = | - | 3063 | ÷ | 1 | × | 1 | + | 3754 |
233 10 | x | − | 243 10 | x | = | - | 3063 | + | 3754 |
| - | x | = | - | 3063 | + | 3754 |
| - | x | = | - | 3063 | + | 3754 |
| - | x | = | 691 |
| - | 691 | = | x |
| x | = | - | 691 |