1 | ÷ | 1200 | = | 7 10 | ( | x | + | 2 | × | 39 10 | ) | × | 1 10000 |
方程左边 = | 1 1200 |
1 1200 | = | 7 10 | ( | x | + | 2 | × | 39 10 | ) | × | 1 10000 |
方程右边 = | 7 100000 | ( | x | + | 2 | × | 39 10 | ) |
1 1200 | = | 7 100000 | ( | x | + | 2 | × | 39 10 | ) |
方程右边 = | 7 100000 | x | + | 7 100000 | × | 2 | × | 39 10 |
= | 7 100000 | x | + | 273 500000 |
1 1200 | = | 7 100000 | x | + | 273 500000 |
- | 7 100000 | x | = | 273 500000 | − | 1 1200 |
- | 7 100000 | x | = | - | 431 1500000 |
431 1500000 | = | 7 100000 | x |
7 100000 | x | = | 431 1500000 |
x | = | 431 1500000 | ÷ | 7 100000 |
= | 431 1500000 | × | 100000 7 |
= | 431 15 | × | 1 7 |
x | = | 431 105 |
x | = | 4.104762 |