| ( | x | − | 3 | ) | − | 5 | = | ( | 3 | x | + | 4 | ) | ÷ | 15 |
| x | − | 3 | − | 5 | = | ( | 3 | x | + | 4 | ) | ÷ | 15 |
| x | − | 3 | − | 5 | = | 3 | x | ÷ | 15 | + | 4 | ÷ | 15 |
| x | − | 3 | − | 5 | = | 1 5 | x | + | 4 15 |
| x | − | 8 | = | 1 5 | x | + | 4 15 |
| x | − | 1 5 | x | = | 4 15 | + | 8 |
4 5 | x | = | 4 15 | + | 8 |
4 5 | x | = | 124 15 |
| x | = | 124 15 | ÷ | 4 5 |
| = | 124 15 | × | 5 4 |
| = | 31 3 | × | 1 |
| x | = | 31 3 |
| x | = | 10.333333 |