( | 1034083 25 | − | Y | ) | × | 113 100 | + | Y | × | 109 100 | = | 1153656 25 |
方程左边 = | 1034083 25 | × | 113 100 | − | Y | × | 113 100 | + | 109 100 | Y |
= | 116851379 2500 | − | Y | × | 113 100 | + | 109 100 | Y |
= | 116851379 2500 | − | 1 25 | Y |
116851379 2500 | − | 1 25 | Y | = | 1153656 25 |
- | 1 25 | Y | = | 1153656 25 | − | 116851379 2500 |
- | 1 25 | Y | = | - | 1485779 2500 |
1485779 2500 | = | 1 25 | Y |
1 25 | Y | = | 1485779 2500 |
Y | = | 1485779 2500 | ÷ | 1 25 |
= | 1485779 2500 | × | 25 |
= | 1485779 100 | × | 1 |
Y | = | 1485779 100 |
Y | = | 14857.79 |