18 | + | 91 10 | + | 269 5 | + | ( | X | − | 63 10 | ) | × | 14 5 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 | ÷ | 6 5 |
方程左边 = | 809 10 | + | ( | X | − | 63 10 | ) | × | 14 5 | + | 62 5 | X |
809 10 | + | ( | X | − | 63 10 | ) | × | 14 5 | + | 62 5 | X | = | 47 2 | X | ÷ | 53 50 | ÷ | 6 5 |
方程左边 = | 809 10 | + | X | × | 14 5 | − | 63 10 | × | 14 5 | + | 62 5 | X |
= | 809 10 | + | X | × | 14 5 | − | 441 25 | + | 62 5 | X |
= | 3163 50 | + | 76 5 | X |
3163 50 | + | 76 5 | X | = | 47 2 | X | ÷ | 53 50 | ÷ | 6 5 |
方程右边 = | 5875 318 | X |
3163 50 | + | 76 5 | X | = | 5875 318 | X |
76 5 | X | − | 5875 318 | X | = | - | 3163 50 |
- | 5207 1590 | X | = | - | 3163 50 |
3163 50 | = | 5207 1590 | X |
5207 1590 | X | = | 3163 50 |
X | = | 3163 50 | ÷ | 5207 1590 |
= | 3163 50 | × | 1590 5207 |
= | 3163 5 | × | 159 5207 |
X | = | 502917 26035 |
X | = | 19.316958 |