| ( | 46 | − | X | ) | × | 23 | ÷ | 15 | + | ( | 67 | − | X | ) | × | 15 | ÷ | 23 | = | 2 | ( | 58 | − | X | ) |
| 方程左边 = | ( | 46 | − | X | ) | × | 23 15 | + | ( | 67 | − | X | ) | × | 15 23 |
| ( | 46 | − | X | ) | × | 23 15 | + | ( | 67 | − | X | ) | × | 15 23 | = | 2 | ( | 58 | − | X | ) |
| 方程左边 = | 46 | × | 23 15 | − | X | × | 23 15 | + | ( | 67 | − | X | ) | × | 15 23 |
| = | 1058 15 | − | X | × | 23 15 | + | ( | 67 | − | X | ) | × | 15 23 |
| = | 1058 15 | − | 23 15 | X | + | 67 | × | 15 23 | − | X | × | 15 23 |
| = | 1058 15 | − | 23 15 | X | + | 1005 23 | − | X | × | 15 23 |
| = | 39409 345 | − | 754 345 | X |
39409 345 | − | 754 345 | X | = | 2 | ( | 58 | − | X | ) |
| 方程右边 = | 2 | × | 58 | − | 2 | X |
| = | 116 | − | 2 | X |
39409 345 | − | 754 345 | X | = | 116 | − | 2 | X |
| - | 754 345 | X | + | 2 | X | = | 116 | − | 39409 345 |
| - | 64 345 | X | = | 116 | − | 39409 345 |
| - | 64 345 | X | = | 611 345 |
| - | 611 345 | = | 64 345 | X |
64 345 | X | = | - | 611 345 |
| X | = | - | 611 345 | ÷ | 64 345 |
| = | - | 611 345 | × | 345 64 |
| = | - | 611 | × | 1 64 |
| X | = | - | 611 64 |
| X | = | - 9.546875 |