| x | = | 5 | ÷ | 6 | × | x | + | 6 | ÷ | 7 | × | x | + | 11 | ÷ | 12 | × | x | + | 9 |
| Right side of the equation = | 5 6 | x | + | 6 7 | x | + | 11 12 | x | + | 9 |
| = | 73 28 | x | + | 9 |
| x | = | 73 28 | x | + | 9 |
| x | − | 73 28 | x | = | 9 |
| - | 45 28 | x | = | 9 |
| - | 9 | = | 45 28 | x |
45 28 | x | = | - | 9 |
| x | = | - | 9 | ÷ | 45 28 |
| = | - | 9 | × | 28 45 |
| = | - | 1 | × | 28 5 |
| x | = | - | 28 5 |
| x | = | - 5.6 |