| 1 | ÷ | 30 | × | x | + | ( | x | − | 6 | ) | × | 1 | ÷ | 48 | + | 28 | × | 1 | ÷ | 60 | = | 1 |
| Left side of the equation = | 1 30 | x | + | ( | x | − | 6 | ) | × | 1 48 | + | 7 15 |
1 30 | x | + | ( | x | − | 6 | ) | × | 1 48 | + | 7 15 | = | 1 |
| Left side of the equation = | 1 30 | x | + | x | × | 1 48 | − | 6 | × | 1 48 | + | 7 15 |
| = | 1 30 | x | + | x | × | 1 48 | − | 1 8 | + | 7 15 |
| = | 13 240 | x | + | 41 120 |
13 240 | x | + | 41 120 | = | 1 |
13 240 | x | = | 1 | − | 41 120 |
13 240 | x | = | 79 120 |
| x | = | 79 120 | ÷ | 13 240 |
| = | 79 120 | × | 240 13 |
| = | 79 | × | 2 13 |
| x | = | 158 13 |
| x | = | 12.153846 |