456 5 | + | ( | 20 | − | x | ) | × | 43 10 | = | ( | 50 | + | 579 5 | + | 13 2 | x | ) | ÷ | 3 2 |
方程左边 = | 456 5 | + | 20 | × | 43 10 | − | x | × | 43 10 |
= | 456 5 | + | 86 | − | x | × | 43 10 |
= | 886 5 | − | 43 10 | x |
886 5 | − | 43 10 | x | = | ( | 50 | + | 579 5 | + | 13 2 | x | ) | ÷ | 3 2 |
方程右边 = | 50 | × | 2 3 | + | 579 5 | × | 2 3 | + | 13 2 | x | × | 2 3 |
= | 100 3 | + | 386 5 | + | 13 3 | x |
= | 1658 15 | + | 13 3 | x |
886 5 | − | 43 10 | x | = | 1658 15 | + | 13 3 | x |
- | 43 10 | x | − | 13 3 | x | = | 1658 15 | − | 886 5 |
- | 259 30 | x | = | 1658 15 | − | 886 5 |
- | 259 30 | x | = | - | 200 3 |
200 3 | = | 259 30 | x |
259 30 | x | = | 200 3 |
x | = | 200 3 | ÷ | 259 30 |
= | 200 3 | × | 30 259 |
= | 200 | × | 10 259 |
x | = | 2000 259 |
x | = | 7.722008 |