| ( | 3 | x | + | 1 | ) | × | 1 | ÷ | 4 | = | x |
| Left side of the equation = | ( | 3 | x | + | 1 | ) | × | 1 4 |
| ( | 3 | x | + | 1 | ) | × | 1 4 | = | x |
| Left side of the equation = | 3 | x | × | 1 4 | + | 1 | × | 1 4 |
| = | 3 4 | x | + | 1 4 |
3 4 | x | + | 1 4 | = | x |
3 4 | x | − | x | = | - | 1 4 |
| - | 1 4 | x | = | - | 1 4 |
1 4 | = | 1 4 | x |
1 4 | x | = | 1 4 |
| x | = | 1 4 | ÷ | 1 4 |
| = | 1 4 | × | 4 |
| = | 1 | × | 1 |
| x | = | 1 |