x | × | 3 50 | ÷ | ( | 1 | + | x | × | 3 50 | ) | = | 99 100 |
方程两边同时乘以: | ( | 1 | + | x | × | 3 50 | ) |
x | × | 3 50 | = | 99 100 | ( | 1 | + | x | × | 3 50 | ) |
x | × | 3 50 | = | 99 100 | × | 1 | + | 99 100 | x | × | 3 50 |
x | × | 3 50 | = | 99 100 | + | 297 5000 | x |
3 50 | x | − | 297 5000 | x | = | 99 100 |
3 5000 | x | = | 99 100 |
x | = | 99 100 | ÷ | 3 5000 |
= | 99 100 | × | 5000 3 |
= | 33 | × | 50 |
x | = | 1650 |