493 1000 | ÷ | ( | 50 | ÷ | Q | ) | = | 507 1000 | ÷ | ( | 40 | ÷ | Q | ) |
Multiply both sides of the equation by: | ( | 50 | ÷ | Q | ) | , | ( | 40 | ÷ | 1 | ) |
493 1000 | ( | 40 | ÷ | 1 | ) | = | 507 1000 | ( | 50 | ÷ | 1 | ) |
493 1000 | × | 40 | ÷ | 1 | = | 507 1000 | ( | 50 | ÷ | 1 | ) |
493 1000 | × | 40 | ÷ | 1 | = | 507 1000 | × | 50 | ÷ | 1 |
493 25 | = | 507 20 |
= | 507 20 | − | 493 25 |