| X | − | 2000 | − | 39000 | − | 1000 | − | 800 | − | 120 | × | 693 100 | × | 7 5 | − | 95 | × | 7 5 | − | 310 | − | 100 | = | 7000 |
| Left side of the equation = | X | − | 2000 | − | 39000 | − | 1000 | − | 800 | − | 29106 25 | − | 133 | − | 310 | − | 100 | + | 507000 113 |
| = | X | − | 113057953 2825 |
| X | − | 113057953 2825 | = | 7000 |
| X | = | 7000 | + | 113057953 2825 |
| X | = | 132832953 2825 |