3549 50 | = | 172 | ÷ | 260 | × | 60 | + | x | ÷ | 750 | × | 40 |
| 方程右边 = | 516 13 | + | x | × | 4 75 |
3549 50 | = | 516 13 | + | 4 75 | x |
| - | 4 75 | x | = | 516 13 | − | 3549 50 |
| - | 4 75 | x | = | - | 20337 650 |
20337 650 | = | 4 75 | x |
4 75 | x | = | 20337 650 |
| x | = | 20337 650 | ÷ | 4 75 |
| = | 20337 650 | × | 75 4 |
| = | 20337 26 | × | 3 4 |
| x | = | 61011 104 |
| x | = | 586.644231 |