| ( | X | + | 800 | − | 2500 | − | 104263 20 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | ÷ | 100000 | × | 9 10 | × | 3 10 | = | 1 20 |
| Left side of the equation = | ( | X | + | 800 | − | 2500 | − | 104263 20 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | × | 27 10000000 |
| ( | X | + | 800 | − | 2500 | − | 104263 20 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | × | 27 10000000 | = | 1 20 |
| Left side of the equation = | X | ( | 1 | − | 1 4 | ) | × | 27 10000000 | + | 800 | ( | 1 | − | 1 4 | ) | × | 27 10000000 | − | 2500 | ( | 1 | − | 1 4 | ) | × | 27 10000000 | − | 104263 20 | ( | 1 | − | 1 4 | ) | × | 27 10000000 |
| = | X | ( | 1 | − | 1 4 | ) | × | 27 10000000 | + | 27 12500 | ( | 1 | − | 1 4 | ) | − | 27 4000 | ( | 1 | − | 1 4 | ) | − | 2815101 200000000 | ( | 1 | − | 1 4 | ) | − | 6015303 500000000 | ( | 1 | − | 1 4 | ) |
| = | X | × | 1 | × | 27 10000000 | − | X | × | 1 4 | × | 27 10000000 | + | 27 12500 | ( | 1 | − | 1 4 | ) | − | 27 4000 | ( | 1 | − | 1 4 | ) | − | 2815101 200000000 | ( | 1 | − | 1 4 | ) |
| = | X | × | 27 10000000 | − | X | × | 27 40000000 | + | 27 12500 | ( | 1 | − | 1 4 | ) | − | 27 4000 | ( | 1 | − | 1 4 | ) | − | 2815101 200000000 | ( | 1 | − | 1 4 | ) | − | 6015303 500000000 | ( | 1 | − | 1 4 | ) |