| 52 | ÷ | 21 | − | ( | 10 | ÷ | 21 | ) | x | + | 14 25 | x | = | 74 25 |
| Left side of the equation = | 52 21 | − | ( | 10 | ÷ | 21 | ) | x | + | 14 25 | x |
52 21 | − | ( | 10 | ÷ | 21 | ) | x | + | 14 25 | x | = | 74 25 |
| Left side of the equation = | 52 21 | − | 10 | ÷ | 21 | × | x | + | 14 25 | x |
| = | 52 21 | − | 10 21 | x | + | 14 25 | x |
| = | 52 21 | + | 44 525 | x |
52 21 | + | 44 525 | x | = | 74 25 |
44 525 | x | = | 74 25 | − | 52 21 |
44 525 | x | = | 254 525 |
| x | = | 254 525 | ÷ | 44 525 |
| = | 254 525 | × | 525 44 |
| = | 127 | × | 1 22 |
| x | = | 127 22 |
| x | = | 5.772727 |