| 67 | ÷ | 111 | − | 9 2 | ÷ | 447 10 | − | 1 5 | = | 71 50000 | ( | 343 2 | + | X | ) |
| Left side of the equation = | 67 111 | − | 15 149 | − | 1 5 |
| = | 25051 82695 |
25051 82695 | = | 71 50000 | ( | 343 2 | + | X | ) |
| Right side of the equation = | 71 50000 | × | 343 2 | + | 71 50000 | X |
| = | 24353 100000 | + | 71 50000 | X |
25051 82695 | = | 24353 100000 | + | 71 50000 | X |
| - | 71 50000 | X | = | 24353 100000 | − | 25051 82695 |
| - | 71 50000 | X | = | - | 98245733 1653900000 |
98245733 1653900000 | = | 71 50000 | X |
71 50000 | X | = | 98245733 1653900000 |
| X | = | 98245733 1653900000 | ÷ | 71 50000 |
| = | 98245733 1653900000 | × | 50000 71 |
| = | 98245733 33078 | × | 1 71 |
| X | = | 98245733 2348538 |
| X | = | 41.83272 |