( | 1400 | × | 12 | × | 9 10 | − | 70 100 | × | 80 | x | × | 159 2500 | ) | ÷ | ( | 30 100 | × | 80 | x | + | 5 100 | × | 80 | x | ) | = | 0 |
方程两边同时乘以: | ( | 30 100 | × | 80 | x | + | 5 100 | × | 80 | x | ) |
( | 1400 | × | 12 | × | 9 10 | − | 70 100 | × | 80 | x | × | 159 2500 | ) | = | 0 |
1400 | × | 12 | × | 9 10 | − | 70 100 | × | 80 | x | × | 159 2500 | = | 0 |
15120 | − | 2226 625 | x | = | 0 |
- | 2226 625 | x | = | 0 | − | 15120 |
- | 2226 625 | x | = | - | 15120 |
15120 | = | 2226 625 | x |
2226 625 | x | = | 15120 |
x | = | 15120 | ÷ | 2226 625 |
= | 15120 | × | 625 2226 |
= | 360 | × | 625 53 |
x | = | 225000 53 |
x | = | 4245.283019 |