| 5 | ( | x | + | 230 | ) | ÷ | ( | 1430 | + | x | ) | = | ( | 5 | x | ÷ | ( | 1200 | + | x | ) | ) | + | 20 100 |
| Multiply both sides of the equation by: | ( | 1430 | + | x | ) |
| 5 | ( | x | + | 230 | ) | = | ( | 5 | x | ÷ | ( | 1200 | + | x | ) | ) | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) |
| 5 | x | + | 5 | × | 230 | = | ( | 5 | x | ÷ | ( | 1200 | + | x | ) | ) | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) |
| 5 | x | + | 5 | × | 230 | = | 5 | x | ÷ | ( | 1200 | + | x | ) | × | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) |
| 5 | x | + | 1150 | = | 5 | x | ÷ | ( | 1200 | + | x | ) | × | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) |
| Multiply both sides of the equation by: | ( | 1200 | + | x | ) |
| 5 | x | ( | 1200 | + | x | ) | + | 1150 | ( | 1200 | + | x | ) | = | 5 | x | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) | ( | 1200 | + | x | ) |
| 5 | x | × | 1200 | + | 5 | x | x | + | 1150 | ( | 1200 | + | x | ) | = | 5 | x | ( | 1430 | + | x | ) | + | 20 100 | ( | 1430 | + | x | ) | ( | 1200 | + | x | ) |
| 5 | x | × | 1200 | + | 5 | x | x | + | 1150 | ( | 1200 | + | x | ) | = | 5 | x | × | 1430 | + | 5 | x | x | + | 20 100 | ( | 1430 | + | x | ) | ( | 1200 | + | x | ) |
| 6000 | x | + | 5 | x | x | + | 1150 | ( | 1200 | + | x | ) | = | 7150 | x | + | 5 | x | x | + | 20 100 | ( | 1430 | + | x | ) | ( | 1200 | + | x | ) |
| 6000 | x | + | 5 | x | x | + | 1150 | × | 1200 | + | 1150 | x | = | 7150 | x | + | 5 | x | x | + | 20 100 | ( | 1430 | + | x | ) | ( | 1200 | + | x | ) |
| 6000 | x | + | 5 | x | x | + | 1150 | × | 1200 | + | 1150 | x | = | 7150 | x | + | 5 | x | x | + | 20 100 | × | 1430 | ( | 1200 | + | x | ) | + | 20 100 | x | ( | 1200 | + | x | ) |
| 6000 | x | + | 5 | x | x | + | 1380000 | + | 1150 | x | = | 7150 | x | + | 5 | x | x | + | 286 | ( | 1200 | + | x | ) | + | 20 100 | x | ( | 1200 | + | x | ) |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7150 | x | + | 5 | x | x | + | 286 | ( | 1200 | + | x | ) | + | 20 100 | x | ( | 1200 | + | x | ) |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7150 | x | + | 5 | x | x | + | 286 | × | 1200 | + | 286 | x | + | 20 100 | x | ( | 1200 | + | x | ) |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7150 | x | + | 5 | x | x | + | 343200 | + | 286 | x | + | 20 100 | x | ( | 1200 | + | x | ) |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7436 | x | + | 5 | x | x | + | 343200 | + | 20 100 | x | ( | 1200 | + | x | ) |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7436 | x | + | 5 | x | x | + | 343200 | + | 20 100 | x | × | 1200 | + | 20 100 | x | x |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7436 | x | + | 5 | x | x | + | 343200 | + | 240 | x | + | 20 100 | x | x |
| 7150 | x | + | 5 | x | x | + | 1380000 | = | 7676 | x | + | 5 | x | x | + | 343200 | + | 20 100 | x | x |