x | + | 4 | + | 20 | + | 15 100 | x | + | ( | x | + | 15 100 | x | ) | × | 13 100 | = | 2600 |
方程左边 = | 23 20 | x | + | 24 | + | ( | x | + | 15 100 | x | ) | × | 13 100 |
23 20 | x | + | 24 | + | ( | x | + | 15 100 | x | ) | × | 13 100 | = | 2600 |
方程左边 = | 23 20 | x | + | 24 | + | x | × | 13 100 | + | 15 100 | x | × | 13 100 |
= | 23 20 | x | + | 24 | + | x | × | 13 100 | + | 39 2000 | x |
= | 2599 2000 | x | + | 24 |
2599 2000 | x | + | 24 | = | 2600 |
2599 2000 | x | = | 2600 | − | 24 |
2599 2000 | x | = | 2576 |
x | = | 2576 | ÷ | 2599 2000 |
= | 2576 | × | 2000 2599 |
= | 112 | × | 2000 113 |
x | = | 224000 113 |
x | = | 1982.300885 |