| X | ÷ | 87 | − | 40 | ÷ | 1333 | − | 40 | ÷ | 1650 | = | 143 100000 | ( | X | + | 80 | ) |
| Left side of the equation = | X | × | 1 87 | − | 40 1333 | − | 4 165 |
| = | 1 87 | X | − | 11932 219945 |
1 87 | X | − | 11932 219945 | = | 143 100000 | ( | X | + | 80 | ) |
| Right side of the equation = | 143 100000 | X | + | 143 100000 | × | 80 |
| = | 143 100000 | X | + | 143 1250 |
1 87 | X | − | 11932 219945 | = | 143 100000 | X | + | 143 1250 |
1 87 | X | − | 143 100000 | X | = | 143 1250 | + | 11932 219945 |
87559 8700000 | X | = | 143 1250 | + | 11932 219945 |
87559 8700000 | X | = | 9273427 54986250 |
| X | = | 9273427 54986250 | ÷ | 87559 8700000 |
| = | 9273427 54986250 | × | 8700000 87559 |
| = | 9273427 14663 | × | 2320 87559 |
| X | = | 21514350640 1283877617 |