| x | − | x | × | 1 2 | ÷ | 100 | = | 176892918761 100000000 |
| Left side of the equation = | x | − | x | × | 1 200 |
| = | 199 200 | x |
199 200 | x | = | 176892918761 100000000 |
| x | = | 176892918761 100000000 | ÷ | 199 200 |
| = | 176892918761 100000000 | × | 200 199 |
| = | 176892918761 500000 | × | 1 199 |
| x | = | 176892918761 99500000 |