4661 50 | + | x | + | ( | 4661 50 | + | x | ) | × | 3 20 | = | 16647308400707 125000000000 |
| Left side of the equation = | 4661 50 | + | x | + | 4661 50 | × | 3 20 | + | x | × | 3 20 |
| = | 4661 50 | + | x | + | 13983 1000 | + | x | × | 3 20 |
| = | 107203 1000 | + | 23 20 | x |
107203 1000 | + | 23 20 | x | = | 16647308400707 125000000000 |
23 20 | x | = | 16647308400707 125000000000 | − | 107203 1000 |