1843246997 250000000 | ( | 1 | − | x | ) | = | 2811446541 500000000 |
| 方程左边 = | 1843246997 250000000 | × | 1 | − | 1843246997 250000000 | x |
| = | 1843246997 250000000 | − | 1843246997 250000000 | x |
1843246997 250000000 | − | 1843246997 250000000 | x | = | 2811446541 500000000 |
| - | 1843246997 250000000 | x | = | 2811446541 500000000 | − | 1843246997 250000000 |