| x | ÷ | 6600 | = | x | + | 30 | ÷ | 7260 |
| Right side of the equation = | x | + | 1 242 |
1 6600 | x | = | x | + | 1 242 |
1 6600 | x | − | x | = | 1 242 |
| - | 6599 6600 | x | = | 1 242 |
| - | 1 242 | = | 6599 6600 | x |
6599 6600 | x | = | - | 1 242 |
| x | = | - | 1 242 | ÷ | 6599 6600 |
| = | - | 1 242 | × | 6600 6599 |
| = | - | 1 11 | × | 300 6599 |
| x | = | - | 300 72589 |
| x | = | - 0.004133 |