216 5 | + | ( | 21 | − | x | ) | × | 43 10 | = | ( | 50 | + | 13 2 | x | ) | ÷ | 3 2 |
方程左边 = | 216 5 | + | 21 | × | 43 10 | − | x | × | 43 10 |
= | 216 5 | + | 903 10 | − | x | × | 43 10 |
= | 267 2 | − | 43 10 | x |
267 2 | − | 43 10 | x | = | ( | 50 | + | 13 2 | x | ) | ÷ | 3 2 |
方程右边 = | 50 | × | 2 3 | + | 13 2 | x | × | 2 3 |
= | 100 3 | + | 13 3 | x |
267 2 | − | 43 10 | x | = | 100 3 | + | 13 3 | x |
- | 43 10 | x | − | 13 3 | x | = | 100 3 | − | 267 2 |
- | 259 30 | x | = | 100 3 | − | 267 2 |
- | 259 30 | x | = | - | 601 6 |
601 6 | = | 259 30 | x |
259 30 | x | = | 601 6 |
x | = | 601 6 | ÷ | 259 30 |
= | 601 6 | × | 30 259 |
= | 601 | × | 5 259 |
x | = | 3005 259 |
x | = | 11.602317 |