( | X | − | 5000 | − | 15351 20 | ) | × | 3 100 | = | X | − | 20000 |
方程左边 = | X | × | 3 100 | − | 5000 | × | 3 100 | − | 15351 20 | × | 3 100 |
= | X | × | 3 100 | − | 150 | − | 46053 2000 |
= | 3 100 | X | − | 346053 2000 |
3 100 | X | − | 346053 2000 | = | X | − | 20000 |
3 100 | X | − | X | = | - | 20000 | + | 346053 2000 |
- | 97 100 | X | = | - | 20000 | + | 346053 2000 |
- | 97 100 | X | = | - | 39653947 2000 |
39653947 2000 | = | 97 100 | X |
97 100 | X | = | 39653947 2000 |
X | = | 39653947 2000 | ÷ | 97 100 |
= | 39653947 2000 | × | 100 97 |
= | 39653947 20 | × | 1 97 |
X | = | 39653947 1940 |
X | = | 20440.178866 |