| ( | x | − | 640 | − | 100 | × | 50 | × | 6 125 | ) | ÷ | ( | 1500 | + | 800 | + | 40 | ) | = | ( | x | − | 640 | − | 35 | × | 100 | × | 1 25 | ÷ | 3 4 | ) | ÷ | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) |
| Multiply both sides of the equation by: | ( | 1500 | + | 800 | + | 40 | ) | , | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) |
| ( | x | − | 640 | − | 100 | × | 50 | × | 6 125 | ) | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | ( | x | − | 640 | − | 35 | × | 100 | × | 1 25 | ÷ | 3 4 | ) | ( | 1500 | + | 800 | + | 40 | ) |
| x | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 100 | × | 50 | × | 6 125 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | ( | x | − | 640 | − | 35 | × | 100 | × | 1 25 | ÷ | 3 4 | ) | ( | 1500 | + | 800 | + | 40 | ) |
| x | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 100 | × | 50 | × | 6 125 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | x | ( | 1500 | + | 800 | + | 40 | ) | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 35 | × | 100 | × | 1 25 | ÷ | 3 4 | × | ( | 1500 | + | 800 | + | 40 | ) |
| x | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | x | ( | 1500 | + | 800 | + | 40 | ) | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| x | × | 1500 | + | x | × | 40 | + | x | × | 1000 | + | x | × | 35 | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | x | ( | 1500 | + | 800 | + | 40 | ) | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| x | × | 1500 | + | x | × | 40 | + | x | × | 1000 | + | x | × | 35 | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | x | × | 1500 | + | x | × | 800 | + | x | × | 40 | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 640 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | 2340 | x | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 640 | × | 1500 | − | 640 | × | 40 | − | 640 | × | 1000 | − | 640 | × | 35 | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | 2340 | x | − | 640 | ( | 1500 | + | 800 | + | 40 | ) | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 640 | × | 1500 | − | 640 | × | 40 | − | 640 | × | 1000 | − | 640 | × | 35 | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | 2340 | x | − | 640 | × | 1500 | − | 640 | × | 800 | − | 640 | × | 40 | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 960000 | − | 25600 | − | 640000 | − | 22400 | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | 2340 | x | − | 960000 | − | 512000 | − | 25600 | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 1648000 | − | 240 | ( | 1500 | + | 40 | + | 1000 | + | 35 | ) | = | 2340 | x | − | 1497600 | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 1648000 | − | 240 | × | 1500 | − | 240 | × | 40 | − | 240 | × | 1000 | − | 240 | × | 35 | = | 2340 | x | − | 1497600 | − | 560 3 | ( | 1500 | + | 800 | + | 40 | ) |
| 2575 | x | − | 1648000 | − | 240 | × | 1500 | − | 240 | × | 40 | − | 240 | × | 1000 | − | 240 | × | 35 | = | 2340 | x | − | 1497600 | − | 560 3 | × | 1500 | − | 560 3 | × | 800 | − | 560 3 | × | 40 |
| 2575 | x | − | 1648000 | − | 360000 | − | 9600 | − | 240000 | − | 8400 | = | 2340 | x | − | 1497600 | − | 280000 | − | 448000 3 | − | 22400 3 |
| 2575 | x | − | 2266000 | = | 2340 | x | − | 1934400 |
| 2575 | x | − | 2340 | x | = | - | 1934400 | + | 2266000 |
| 235 | x | = | - | 1934400 | + | 2266000 |
| 235 | x | = | 331600 |
| x | = | 331600 | ÷ | 235 |
| = | 331600 | × | 1 235 |
| = | 66320 | × | 1 47 |
| x | = | 66320 47 |
| x | = | 1411.06383 |