| x | ÷ | 53 50 | × | 3 50 | + | ( | 250 | − | x | ) | ÷ | 113 100 | × | 13 100 | = | 20642201 100000 |
| Left side of the equation = | x | × | 3 53 | + | ( | 250 | − | x | ) | × | 13 113 |
3 53 | x | + | ( | 250 | − | x | ) | × | 13 113 | = | 20642201 100000 |
| Left side of the equation = | 3 53 | x | + | 250 | × | 13 113 | − | x | × | 13 113 |
| = | 3 53 | x | + | 3250 113 | − | x | × | 13 113 |
| = | - | 350 5989 | x | + | 3250 113 |
| - | 350 5989 | x | + | 3250 113 | = | 20642201 100000 |
| - | 350 5989 | x | = | 20642201 100000 | − | 3250 113 |
| - | 350 5989 | x | = | 2007568713 11300000 |
| - | 2007568713 11300000 | = | 350 5989 | x |
350 5989 | x | = | - | 2007568713 11300000 |
| x | = | - | 2007568713 11300000 | ÷ | 350 5989 |
| = | - | 2007568713 11300000 | × | 5989 350 |
| x | = | - | 12023329022157 3955000000 |