67 25 | × | 2191 1000 | = | 73 50 | ( | x | + | 2191 1000 | ) |
| 方程左边 = | 146797 25000 |
146797 25000 | = | 73 50 | ( | x | + | 2191 1000 | ) |
| 方程右边 = | 73 50 | x | + | 73 50 | × | 2191 1000 |
| = | 73 50 | x | + | 159943 50000 |
146797 25000 | = | 73 50 | x | + | 159943 50000 |
| - | 73 50 | x | = | 159943 50000 | − | 146797 25000 |
| - | 73 50 | x | = | - | 133651 50000 |
133651 50000 | = | 73 50 | x |
73 50 | x | = | 133651 50000 |
| x | = | 133651 50000 | ÷ | 73 50 |
| = | 133651 50000 | × | 50 73 |
| = | 133651 1000 | × | 1 73 |
| x | = | 133651 73000 |
| x | = | 1.830836 |