| 100 | M | ÷ | ( | 8 5 | M | + | 18 5 | ) | + | 28 5 | + | 6 | M | = | 85 |
| Multiply both sides of the equation by: | ( | 8 5 | M | + | 18 5 | ) |
| 100 | M | + | 28 5 | ( | 8 5 | M | + | 18 5 | ) | + | 6 | M | ( | 8 5 | M | + | 18 5 | ) | = | 85 | ( | 8 5 | M | + | 18 5 | ) |
| 100 | M | + | 28 5 | × | 8 5 | M | + | 28 5 | × | 18 5 | + | 6 | M | ( | 8 5 | M | + | 18 5 | ) | = | 85 | ( | 8 5 | M | + | 18 5 | ) |
| 100 | M | + | 28 5 | × | 8 5 | M | + | 28 5 | × | 18 5 | + | 6 | M | ( | 8 5 | M | + | 18 5 | ) | = | 85 | × | 8 5 | M | + | 85 | × | 18 5 |
| 100 | M | + | 224 25 | M | + | 504 25 | + | 6 | M | ( | 8 5 | M | + | 18 5 | ) | = | 136 | M | + | 306 |
2724 25 | M | + | 504 25 | + | 6 | M | ( | 8 5 | M | + | 18 5 | ) | = | 136 | M | + | 306 |
2724 25 | M | + | 504 25 | + | 6 | M | × | 8 5 | M | + | 6 | M | × | 18 5 | = | 136 | M | + | 306 |
2724 25 | M | + | 504 25 | + | 48 5 | M | M | + | 108 5 | M | = | 136 | M | + | 306 |
3264 25 | M | + | 504 25 | + | 48 5 | M | M | = | 136 | M | + | 306 |