57 1000 | = | 18 | x | ÷ | ( | 1090 | + | 18 | x | + | 3 100 | × | 1452 25 | ) |
| 方程两边同时乘以: | ( | 1090 | + | 18 | x | + | 3 100 | × | 1452 25 | ) |
57 1000 | ( | 1090 | + | 18 | x | + | 3 100 | × | 1452 25 | ) | = | 18 | x |
57 1000 | × | 1090 | + | 57 1000 | × | 18 | x | + | 57 1000 | × | 3 100 | × | 1452 25 | = | 18 | x |
6213 100 | + | 513 500 | x | + | 62073 625000 | = | 18 | x |
38893323 625000 | + | 513 500 | x | = | 18 | x |
513 500 | x | − | 18 | x | = | - | 38893323 625000 |
| - | 8487 500 | x | = | - | 38893323 625000 |
38893323 625000 | = | 8487 500 | x |
8487 500 | x | = | 38893323 625000 |
| x | = | 38893323 625000 | ÷ | 8487 500 |
| = | 38893323 625000 | × | 500 8487 |
| = | 12964441 1250 | × | 1 2829 |
| x | = | 12964441 3536250 |
| x | = | 3.666155 |