3 50 | X | + | ( | 3 50 | X | − | 1 100 | ) | × | 3 25 | + | 3 200 | X | + | 927 100 | = | X |
| 方程左边 = | 3 40 | X | + | ( | 3 50 | X | − | 1 100 | ) | × | 3 25 | + | 927 100 |
3 40 | X | + | ( | 3 50 | X | − | 1 100 | ) | × | 3 25 | + | 927 100 | = | X |
| 方程左边 = | 3 40 | X | + | 3 50 | X | × | 3 25 | − | 1 100 | × | 3 25 | + | 927 100 |
| = | 3 40 | X | + | 9 1250 | X | − | 3 2500 | + | 927 100 |
| = | 411 5000 | X | + | 5793 625 |
411 5000 | X | + | 5793 625 | = | X |
411 5000 | X | − | X | = | - | 5793 625 |
| - | 4589 5000 | X | = | - | 5793 625 |
5793 625 | = | 4589 5000 | X |
4589 5000 | X | = | 5793 625 |
| X | = | 5793 625 | ÷ | 4589 5000 |
| = | 5793 625 | × | 5000 4589 |
| = | 5793 | × | 8 4589 |
| X | = | 46344 4589 |
| X | = | 10.098932 |