| ( | 8 5 | × | 49 5 | × | 1 10 | ) | ÷ | x | = | ( | 8 | × | 49 5 | × | 1 5 | ) | ÷ | x |
| Multiply both sides of the equation by: | x |
| ( | 8 5 | × | 49 5 | × | 1 10 | ) | = | ( | 8 | × | 49 5 | × | 1 5 | ) | ÷ | 1 | × | 1 |
8 5 | × | 49 5 | × | 1 10 | = | ( | 8 | × | 49 5 | × | 1 5 | ) | ÷ | 1 | × | 1 |
8 5 | × | 49 5 | × | 1 10 | = | 8 | × | 49 5 | × | 1 5 | ÷ | 1 | × | 1 |
196 125 | = | 392 25 |
| = | 392 25 | − | 196 125 |