| 2 | x | + | 46 | = | 56 | + | x |
| 2 | x | − | x | = | 56 | − | 46 |
| x | = | 56 | − | 46 |
| x | = | 56 | − | 46 |
| x | = | 10 |
| 4 | x | + | 29 | = | 95 | − | 2 | x |
| 4 | x | + | 2 | x | = | 95 | − | 29 |
| 6 | x | = | 95 | − | 29 |
| 6 | x | = | 66 |
| x | = | 66 | ÷ | 6 |
| = | 66 | × | 1 6 |
| = | 11 | × | 1 |
| x | = | 11 |
| 5 | x | × | 2 | + | 38 | = | 380 | − | 8 | x |
| Left side of the equation = | 10 | x | + | 38 |
| 10 | x | + | 38 | = | 380 | − | 8 | x |
| 10 | x | + | 8 | x | = | 380 | − | 38 |
| 18 | x | = | 380 | − | 38 |
| 18 | x | = | 342 |
| x | = | 342 | ÷ | 18 |
| = | 342 | × | 1 18 |
| = | 19 | × | 1 |
| x | = | 19 |
| 3 | ( | x | − | 12 | ) | = | 12 |
| Left side of the equation = | 3 | x | − | 3 | × | 12 |
| = | 3 | x | − | 36 |
| 3 | x | − | 36 | = | 12 |
| 3 | x | = | 12 | + | 36 |
| 3 | x | = | 48 |
| x | = | 48 | ÷ | 3 |
| = | 48 | × | 1 3 |
| = | 16 | × | 1 |
| x | = | 16 |
| 3 | x | × | 3 | + | 4 | x | × | 2 | − | 22 | = | 233 |
| Left side of the equation = | 9 | x | + | 8 | x | − | 22 |
| = | 17 | x | − | 22 |
| 17 | x | − | 22 | = | 233 |
| 17 | x | = | 233 | + | 22 |
| 17 | x | = | 255 |
| x | = | 255 | ÷ | 17 |
| = | 255 | × | 1 17 |
| = | 15 | × | 1 |
| x | = | 15 |
| 3 | x | × | 3 | + | 3 | x | − | 10 | = | 182 |
| Left side of the equation = | 9 | x | + | 3 | x | − | 10 |
| = | 12 | x | − | 10 |
| 12 | x | − | 10 | = | 182 |
| 12 | x | = | 182 | + | 10 |
| 12 | x | = | 192 |
| x | = | 192 | ÷ | 12 |
| = | 192 | × | 1 12 |
| = | 16 | × | 1 |
| x | = | 16 |