| ( | x | + | 800 | − | 1261893 100 | ) | ( | 1 | − | 25 100 | ) | ÷ | 100000 | × | 3 10 | × | 9 10 | = | 5 100 |
| Left side of the equation = | ( | x | + | 800 | − | 1261893 100 | ) | ( | 1 | − | 25 100 | ) | × | 27 10000000 |
| ( | x | + | 800 | − | 1261893 100 | ) | ( | 1 | − | 25 100 | ) | × | 27 10000000 | = | 5 100 |
| Left side of the equation = | x | ( | 1 | − | 25 100 | ) | × | 27 10000000 | + | 800 | ( | 1 | − | 25 100 | ) | × | 27 10000000 | − | 1261893 100 | ( | 1 | − | 25 100 | ) | × | 27 10000000 |
| = | x | ( | 1 | − | 25 100 | ) | × | 27 10000000 | + | 27 12500 | ( | 1 | − | 25 100 | ) | − | 34071111 1000000000 | ( | 1 | − | 25 100 | ) |
| = | x | × | 1 | × | 27 10000000 | − | x | × | 25 100 | × | 27 10000000 | + | 27 12500 | ( | 1 | − | 25 100 | ) | − | 34071111 1000000000 | ( | 1 | − | 25 100 | ) |
| = | x | × | 27 10000000 | − | x | × | 27 40000000 | + | 27 12500 | ( | 1 | − | 25 100 | ) | − | 34071111 1000000000 | ( | 1 | − | 25 100 | ) |