25 100 | = | ( | x | − | 169 | ) | ÷ | 169 | × | 100 100 |
| Right side of the equation = | ( | x | − | 169 | ) | × | 1 169 |
25 100 | = | ( | x | − | 169 | ) | × | 1 169 |
| Right side of the equation = | x | × | 1 169 | − | 169 | × | 1 169 |
| = | x | × | 1 169 | − | 1 |
25 100 | = | 1 169 | x | − | 1 |
| - | 1 169 | x | = | - | 1 | − | 25 100 |
| - | 1 169 | x | = | - | 5 4 |
5 4 | = | 1 169 | x |
1 169 | x | = | 5 4 |
| x | = | 5 4 | ÷ | 1 169 |
| = | 5 4 | × | 169 |
| x | = | 845 4 |
| x | = | 211.25 |