| X | − | 3 500 | X | − | X | ÷ | 103 100 | × | 3 100 | × | 11 10 | − | 3 10000 | X | = | 965700 |
| Left side of the equation = | X | − | 3 500 | X | − | X | × | 33 1030 | − | 3 10000 | X |
| = | 990511 1030000 | X |
990511 1030000 | X | = | 965700 |
| X | = | 965700 | ÷ | 990511 1030000 |
| = | 965700 | × | 1030000 990511 |
| X | = | 994671000000 990511 |