6700 | ÷ | ( | x | + | 297 25 | ) | + | 7500 | ÷ | ( | x | + | 297 25 | ) | + | 10000 | ÷ | ( | x | + | 297 25 | ) | = | 150 |
方程两边同时乘以: | ( | x | + | 297 25 | ) |
6700 | + | 7500 | + | 10000 | = | 150 | ( | x | + | 297 25 | ) |
6700 | + | 7500 | + | 10000 | = | 150 | x | + | 150 | × | 297 25 |
6700 | + | 7500 | + | 10000 | = | 150 | x | + | 1782 |
24200 | = | 150 | x | + | 1782 |
- | 150 | x | = | 1782 | − | 24200 |
- | 150 | x | = | - | 22418 |
22418 | = | 150 | x |
150 | x | = | 22418 |
x | = | 22418 | ÷ | 150 |
= | 22418 | × | 1 150 |
= | 11209 | × | 1 75 |
x | = | 11209 75 |
x | = | 149.453333 |