7600 | ÷ | ( | x | + | 99 | × | 3 25 | ) | + | 6700 | ÷ | ( | x | + | 99 | × | 3 25 | ) | + | 10000 | ÷ | ( | x | + | 99 | × | 3 25 | ) | + | 10000 | ÷ | ( | x | + | 99 | × | 3 25 | ) | = | 250 |
方程两边同时乘以: | ( | x | + | 99 | × | 3 25 | ) |
7600 | + | 6700 | + | 10000 | + | 10000 | = | 250 | ( | x | + | 99 | × | 3 25 | ) |
7600 | + | 6700 | + | 10000 | + | 10000 | = | 250 | x | + | 250 | × | 99 | × | 3 25 |
7600 | + | 6700 | + | 10000 | + | 10000 | = | 250 | x | + | 2970 |
34300 | = | 250 | x | + | 2970 |
- | 250 | x | = | 2970 | − | 34300 |
- | 250 | x | = | - | 31330 |
31330 | = | 250 | x |
250 | x | = | 31330 |
x | = | 31330 | ÷ | 250 |
= | 31330 | × | 1 250 |
= | 3133 | × | 1 25 |
x | = | 3133 25 |
x | = | 125.32 |