| ( | 100 | + | 399 100 | ) | x | + | 84 25 | ( | - | 381 100000 | ) | + | 169 50 | × | 989999 1000000 | = | 59 20 |
| Left side of the equation = | ( | 100 | + | 399 100 | ) | x | + | 84 25 | ( | - | 381 100000 | ) | + | 167309831 50000000 |
| ( | 100 | + | 399 100 | ) | x | + | 84 25 | ( | - | 381 100000 | ) | + | 167309831 50000000 | = | 59 20 |
| Left side of the equation = | 100 | x | + | 399 100 | x | + | 84 25 | ( | - | 381 100000 | ) | + | 167309831 50000000 |
| = | 10399 100 | x | + | 84 25 | ( | - | 381 100000 | ) | + | 167309831 50000000 |
| = | 10399 100 | x | − | 84 25 | × | 381 100000 | + | 167309831 50000000 |
| = | 10399 100 | x | − | 8001 625000 | + | 167309831 50000000 |