3 5 | ( | 1 | + | x | ) | ÷ | 12 | × | ( | 1 | − | 6 100 | ) | + | x | = | 11 100 |
| Left side of the equation = | 1 20 | ( | 1 | + | x | ) | ( | 1 | − | 6 100 | ) | + | x |
1 20 | ( | 1 | + | x | ) | ( | 1 | − | 6 100 | ) | + | x | = | 11 100 |
| Left side of the equation = | 1 20 | × | 1 | ( | 1 | − | 6 100 | ) | + | 1 20 | x | ( | 1 | − | 6 100 | ) | + | x |
| = | 1 20 | ( | 1 | − | 6 100 | ) | + | 1 20 | x | ( | 1 | − | 6 100 | ) | + | x |
| = | 1 20 | × | 1 | − | 1 20 | × | 6 100 | + | 1 20 | x | ( | 1 | − | 6 100 | ) | + | x |
| = | 1 20 | − | 3 1000 | + | 1 20 | x | ( | 1 | − | 6 100 | ) | + | x |
| = | 47 1000 | + | 1 20 | x | ( | 1 | − | 6 100 | ) | + | x |
| = | 47 1000 | + | 1 20 | x | × | 1 | − | 1 20 | x | × | 6 100 | + | x |
| = | 47 1000 | + | 1 20 | x | − | 3 1000 | x | + | x |
| = | 47 1000 | + | 1047 1000 | x |
47 1000 | + | 1047 1000 | x | = | 11 100 |
1047 1000 | x | = | 11 100 | − | 47 1000 |
1047 1000 | x | = | 63 1000 |
| x | = | 63 1000 | ÷ | 1047 1000 |
| = | 63 1000 | × | 1000 1047 |
| = | 21 | × | 1 349 |
| x | = | 21 349 |
| x | = | 0.060172 |