25100 | ÷ | ( | x | + | 112 5 | ) | = | 100 |
方程两边同时乘以: | ( | x | + | 112 5 | ) |
25100 | = | 100 | ( | x | + | 112 5 | ) |
25100 | = | 100 | x | + | 100 | × | 112 5 |
25100 | = | 100 | x | + | 2240 |
- | 100 | x | = | 2240 | − | 25100 |
- | 100 | x | = | - | 22860 |
22860 | = | 100 | x |
100 | x | = | 22860 |
x | = | 22860 | ÷ | 100 |
= | 22860 | × | 1 100 |
= | 1143 | × | 1 5 |
x | = | 1143 5 |
x | = | 228.6 |