| ( | 1843 10 | + | 31 10 | x | ) | = | 3 | × | 604 5 |
| 方程左边 = | 1843 10 | + | 31 10 | x |
1843 10 | + | 31 10 | x | = | 3 | × | 604 5 |
| 方程右边 = | 1812 5 |
1843 10 | + | 31 10 | x | = | 1812 5 |
31 10 | x | = | 1812 5 | − | 1843 10 |
31 10 | x | = | 1781 10 |
| x | = | 1781 10 | ÷ | 31 10 |
| = | 1781 10 | × | 10 31 |
| = | 1781 | × | 1 31 |
| x | = | 1781 31 |
| x | = | 57.451613 |