| x | = | 321 100 | ( | 1 | − | x | ) | ( | 1 | − | x | ) |
| Right side of the equation = | 321 100 | × | 1 | ( | 1 | − | x | ) | − | 321 100 | x | ( | 1 | − | x | ) |
| = | 321 100 | ( | 1 | − | x | ) | − | 321 100 | x | ( | 1 | − | x | ) |
| = | 321 100 | × | 1 | − | 321 100 | x | − | 321 100 | x | ( | 1 | − | x | ) |
| = | 321 100 | − | 321 100 | x | − | 321 100 | x | ( | 1 | − | x | ) |
| = | 321 100 | − | 321 100 | x | − | 321 100 | x | × | 1 | + | 321 100 | x | x |
| = | 321 100 | − | 321 100 | x | − | 321 100 | x | + | 321 100 | x | x |
| = | 321 100 | − | 321 50 | x | + | 321 100 | x | x |
| x | = | 321 100 | − | 321 50 | x | + | 321 100 | x | x |