- | 3 100000 | x | × | 2 | + | 9 5000 | x | − | 49 2500 | = | 0 |
方程左边 = | - | 3 50000 | x | + | 9 5000 | x | − | 49 2500 |
= | 87 50000 | x | − | 49 2500 |
87 50000 | x | − | 49 2500 | = | 0 |
87 50000 | x | = | 0 | + | 49 2500 |
87 50000 | x | = | 49 2500 |
x | = | 49 2500 | ÷ | 87 50000 |
= | 49 2500 | × | 50000 87 |
= | 49 | × | 20 87 |
x | = | 980 87 |
x | = | 11.264368 |