| 10000 | y | − | ( | 10000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 1 10 | − | 400 | × | 10000 | − | 550 | × | 10000 | = | 0 |
| 方程左边 = | 10000 | y | − | ( | 10000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 1 10 | − | 4000000 | − | 5500000 |
| = | 10000 | y | − | ( | 10000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 1 10 | − | 9500000 |
| 10000 | y | − | ( | 10000 | y | ÷ | 113 100 | × | 13 100 | − | 50 | × | 10000 | ) | × | 1 10 | − | 9500000 | = | 0 |
| 方程左边 = | 10000 | y | − | 10000 | y | ÷ | 113 100 | × | 13 100 | × | 1 10 | + | 50 | × | 10000 | × | 1 10 | − | 9500000 |
| = | 10000 | y | − | 13000 113 | y | + | 50000 | − | 9500000 |
| = | 1117000 113 | y | − | 9450000 |
1117000 113 | y | − | 9450000 | = | 0 |
1117000 113 | y | = | 0 | + | 9450000 |
1117000 113 | y | = | 9450000 |
| y | = | 9450000 | ÷ | 1117000 113 |
| = | 9450000 | × | 113 1117000 |
| = | 9450 | × | 113 1117 |
| y | = | 1067850 1117 |
| y | = | 955.998209 |