| 6700 | ÷ | ( | x | + | 297 25 | ) | + | 7500 | ÷ | ( | x | + | 297 25 | ) | + | 10000 | ÷ | ( | x | + | 297 25 | ) | = | 150 |
| Multiply both sides of the equation by: | ( | x | + | 297 25 | ) |
| 6700 | + | 7500 | + | 10000 | = | 150 | ( | x | + | 297 25 | ) |
| 6700 | + | 7500 | + | 10000 | = | 150 | x | + | 150 | × | 297 25 |
| 6700 | + | 7500 | + | 10000 | = | 150 | x | + | 1782 |
| 24200 | = | 150 | x | + | 1782 |
| - | 150 | x | = | 1782 | − | 24200 |
| - | 150 | x | = | - | 22418 |
| 22418 | = | 150 | x |
| 150 | x | = | 22418 |
| x | = | 22418 | ÷ | 150 |
| = | 22418 | × | 1 150 |
| = | 11209 | × | 1 75 |
| x | = | 11209 75 |
| x | = | 149.453333 |