| 12 | = | ( | 44 | X | ) | ÷ | 24 | + | ( | X | − | X | ÷ | 7 5 | ) | × | 7 5 | ÷ | 18 |
| Right side of the equation = | ( | 44 | X | ) | × | 1 24 | + | ( | X | − | X | ÷ | 7 5 | ) | × | 7 90 |
| 12 | = | ( | 44 | X | ) | × | 1 24 | + | ( | X | − | X | ÷ | 7 5 | ) | × | 7 90 |
| Right side of the equation = | 44 | X | × | 1 24 | + | ( | X | − | X | ÷ | 7 5 | ) | × | 7 90 |
| = | 11 6 | X | + | ( | X | − | X | ÷ | 7 5 | ) | × | 7 90 |
| = | 11 6 | X | + | X | × | 7 90 | − | X | ÷ | 7 5 | × | 7 90 |
| = | 11 6 | X | + | X | × | 7 90 | − | X | × | 1 18 |
| = | 167 90 | X |
| 12 | = | 167 90 | X |
| - | 167 90 | X | = | - | 12 |
| 12 | = | 167 90 | X |
167 90 | X | = | 12 |
| X | = | 12 | ÷ | 167 90 |
| = | 12 | × | 90 167 |
| X | = | 1080 167 |
| X | = | 6.467066 |