| ( | x | − | 6970 | ) | ÷ | ( | 7600 | − | 6970 | ) | = | ( | 500 | − | 480 | ) | ÷ | ( | 540 | − | 480 | ) |
| Multiply both sides of the equation by: | ( | 7600 | − | 6970 | ) | , | ( | 540 | − | 480 | ) |
| ( | x | − | 6970 | ) | ( | 540 | − | 480 | ) | = | ( | 500 | − | 480 | ) | ( | 7600 | − | 6970 | ) |
| x | ( | 540 | − | 480 | ) | − | 6970 | ( | 540 | − | 480 | ) | = | ( | 500 | − | 480 | ) | ( | 7600 | − | 6970 | ) |
| x | ( | 540 | − | 480 | ) | − | 6970 | ( | 540 | − | 480 | ) | = | 500 | ( | 7600 | − | 6970 | ) | − | 480 | ( | 7600 | − | 6970 | ) |
| x | × | 540 | − | x | × | 480 | − | 6970 | ( | 540 | − | 480 | ) | = | 500 | ( | 7600 | − | 6970 | ) | − | 480 | ( | 7600 | − | 6970 | ) |
| x | × | 540 | − | x | × | 480 | − | 6970 | ( | 540 | − | 480 | ) | = | 500 | × | 7600 | − | 500 | × | 6970 | − | 480 | ( | 7600 | − | 6970 | ) |
| x | × | 540 | − | x | × | 480 | − | 6970 | ( | 540 | − | 480 | ) | = | 3800000 | − | 3485000 | − | 480 | ( | 7600 | − | 6970 | ) |
| 60 | x | − | 6970 | ( | 540 | − | 480 | ) | = | 315000 | − | 480 | ( | 7600 | − | 6970 | ) |
| 60 | x | − | 6970 | × | 540 | + | 6970 | × | 480 | = | 315000 | − | 480 | ( | 7600 | − | 6970 | ) |
| 60 | x | − | 6970 | × | 540 | + | 6970 | × | 480 | = | 315000 | − | 480 | × | 7600 | + | 480 | × | 6970 |
| 60 | x | − | 3763800 | + | 3345600 | = | 315000 | − | 3648000 | + | 3345600 |
| 60 | x | − | 418200 | = | 12600 |
| 60 | x | = | 12600 | + | 418200 |
| 60 | x | = | 430800 |
| x | = | 430800 | ÷ | 60 |
| = | 430800 | × | 1 60 |
| = | 7180 | × | 1 |
| x | = | 7180 |