| 49 | ÷ | ( | 85891022 | ÷ | 51 | ) | × | ( | 1752878 | − | ( | 85891022 | ÷ | 51 | ) | ) | = | x |
| Multiply both sides of the equation by: | ( | 85891022 | ÷ | 51 | ) |
| 49 | ( | 1752878 | − | ( | 85891022 | ÷ | 51 | ) | ) | = | x | ( | 85891022 | ÷ | 51 | ) |
| 49 | × | 1752878 | − | 49 | ( | 85891022 | ÷ | 51 | ) | = | x | ( | 85891022 | ÷ | 51 | ) |
| 49 | × | 1752878 | − | 49 | ( | 85891022 | ÷ | 51 | ) | = | x | × | 85891022 | ÷ | 51 |
| 85891022 | − | 49 | ( | 85891022 | ÷ | 51 | ) | = | x | × | 85891022 51 |
| 85891022 | − | 49 | × | 85891022 | ÷ | 51 | = | 85891022 51 | x |
| 85891022 | − | 4208660078 51 | = | 85891022 51 | x |
171782044 51 | = | 85891022 51 | x |
| - | 85891022 51 | x | = | - | 171782044 51 |
171782044 51 | = | 85891022 51 | x |
85891022 51 | x | = | 171782044 51 |
| x | = | 171782044 51 | ÷ | 85891022 51 |
| = | 171782044 51 | × | 51 85891022 |
| = | 6238 | × | 1 3119 |
| x | = | 6238 3119 |
| x | = | 2 |