| 89 | ÷ | 111 | − | 1 5 | − | 9 | ÷ | 447 10 | = | 119 50000 | ( | 198 | + | X | ) |
| Left side of the equation = | 89 111 | − | 1 5 | − | 30 149 |
| = | 33116 82695 |
33116 82695 | = | 119 50000 | ( | 198 | + | X | ) |
| Right side of the equation = | 119 50000 | × | 198 | + | 119 50000 | X |
| = | 11781 25000 | + | 119 50000 | X |
33116 82695 | = | 11781 25000 | + | 119 50000 | X |
| - | 119 50000 | X | = | 11781 25000 | − | 33116 82695 |
| - | 119 50000 | X | = | 29265959 413475000 |
| - | 29265959 413475000 | = | 119 50000 | X |
119 50000 | X | = | - | 29265959 413475000 |
| X | = | - | 29265959 413475000 | ÷ | 119 50000 |
| = | - | 29265959 413475000 | × | 50000 119 |
| = | - | 29265959 16539 | × | 2 119 |
| X | = | - | 58531918 1968141 |
| X | = | - | 3443054 115773 |
| X | = | - 29.739698 |