10000 | ÷ | ( | x | + | 99 | × | 3 25 | ) | + | 7000 | ÷ | ( | 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 | ) |
10000 | + | 7000 | + | 10000 | + | 10000 | = | 250 | ( | x | + | 99 | × | 3 25 | ) |
10000 | + | 7000 | + | 10000 | + | 10000 | = | 250 | x | + | 250 | × | 99 | × | 3 25 |
10000 | + | 7000 | + | 10000 | + | 10000 | = | 250 | x | + | 2970 |
37000 | = | 250 | x | + | 2970 |
- | 250 | x | = | 2970 | − | 37000 |
- | 250 | x | = | - | 34030 |
34030 | = | 250 | x |
250 | x | = | 34030 |
x | = | 34030 | ÷ | 250 |
= | 34030 | × | 1 250 |
= | 3403 | × | 1 25 |
x | = | 3403 25 |
x | = | 136.12 |