492 5 | + | 64 | + | ( | 21 | − | x | ) | × | 43 10 | = | ( | 50 | + | 24 | + | 48 | + | 13 2 | x | ) | ÷ | 3 2 |
方程左边 = | 812 5 | + | ( | 21 | − | x | ) | × | 43 10 |
812 5 | + | ( | 21 | − | x | ) | × | 43 10 | = | ( | 50 | + | 24 | + | 48 | + | 13 2 | x | ) | ÷ | 3 2 |
方程左边 = | 812 5 | + | 21 | × | 43 10 | − | x | × | 43 10 |
= | 812 5 | + | 903 10 | − | x | × | 43 10 |
= | 2527 10 | − | 43 10 | x |
2527 10 | − | 43 10 | x | = | ( | 50 | + | 24 | + | 48 | + | 13 2 | x | ) | ÷ | 3 2 |
方程右边 = | 50 | × | 2 3 | + | 24 | × | 2 3 | + | 48 | × | 2 3 | + | 13 2 | x | × | 2 3 |
= | 100 3 | + | 16 | + | 32 | + | 13 3 | x |
= | 244 3 | + | 13 3 | x |
2527 10 | − | 43 10 | x | = | 244 3 | + | 13 3 | x |
- | 43 10 | x | − | 13 3 | x | = | 244 3 | − | 2527 10 |
- | 259 30 | x | = | 244 3 | − | 2527 10 |
- | 259 30 | x | = | - | 5141 30 |
5141 30 | = | 259 30 | x |
259 30 | x | = | 5141 30 |
x | = | 5141 30 | ÷ | 259 30 |
= | 5141 30 | × | 30 259 |
= | 5141 | × | 1 259 |
x | = | 5141 259 |
x | = | 19.849421 |