( | x | − | 25 | + | 10 | ) | × | 3 5 | ÷ | ( | ( | x | − | 25 | + | 10 | ) | × | 3 5 | + | ( | 180 | − | x | + | 10 | ) | × | 13 10 | ) | = | 123 500 |
方程两边同时乘以: | ( | ( | x | − | 25 | + | 10 | ) | × | 3 5 | + | ( | 180 | − | x | + | 10 | ) | × | 13 10 | ) |
( | x | − | 25 | + | 10 | ) | × | 3 5 | = | 123 500 | ( | ( | x | − | 25 | + | 10 | ) | × | 3 5 | + | ( | 180 | − | x | + | 10 | ) | × | 13 10 | ) |
x | × | 3 5 | − | 25 | × | 3 5 | + | 10 | × | 3 5 | = | 123 500 | ( | ( | x | − | 25 | + | 10 | ) | × | 3 5 | + | ( | 180 | − | x | + | 10 | ) | × | 13 10 | ) |
x | × | 3 5 | − | 25 | × | 3 5 | + | 10 | × | 3 5 | = | 123 500 | ( | x | − | 25 | + | 10 | ) | × | 3 5 | + | 123 500 | ( | 180 | − | x | + | 10 | ) | × | 13 10 |
x | × | 3 5 | − | 15 | + | 6 | = | 369 2500 | ( | x | − | 25 | + | 10 | ) | + | 1599 5000 | ( | 180 | − | x | + | 10 | ) |
3 5 | x | − | 9 | = | 369 2500 | ( | x | − | 25 | + | 10 | ) | + | 1599 5000 | ( | 180 | − | x | + | 10 | ) |
3 5 | x | − | 9 | = | 369 2500 | x | − | 369 2500 | × | 25 | + | 369 2500 | × | 10 | + | 1599 5000 | ( | 180 | − | x | + | 10 | ) |
3 5 | x | − | 9 | = | 369 2500 | x | − | 369 100 | + | 369 250 | + | 1599 5000 | ( | 180 | − | x | + | 10 | ) |
3 5 | x | − | 9 | = | 369 2500 | x | − | 1107 500 | + | 1599 5000 | ( | 180 | − | x | + | 10 | ) |
3 5 | x | − | 9 | = | 369 2500 | x | − | 1107 500 | + | 1599 5000 | × | 180 | − | 1599 5000 | x | + | 1599 5000 | × | 10 |
3 5 | x | − | 9 | = | 369 2500 | x | − | 1107 500 | + | 14391 250 | − | 1599 5000 | x | + | 1599 500 |
3 5 | x | − | 9 | = | - | 861 5000 | x | + | 14637 250 |
3 5 | x | + | 861 5000 | x | = | 14637 250 | + | 9 |
3861 5000 | x | = | 14637 250 | + | 9 |
3861 5000 | x | = | 16887 250 |
x | = | 16887 250 | ÷ | 3861 5000 |
= | 16887 250 | × | 5000 3861 |
= | 433 | × | 20 99 |
x | = | 8660 99 |
x | = | 87.474747 |