X | ÷ | 126 | − | ( | 85 | − | X | ) | ÷ | 500 | + | 10 | ÷ | 87 | = | 32 125 |
方程左边 = | X | × | 1 126 | − | ( | 85 | − | X | ) | × | 1 500 | + | 10 87 |
1 126 | X | − | ( | 85 | − | X | ) | × | 1 500 | + | 10 87 | = | 32 125 |
方程左边 = | 1 126 | X | − | 85 | × | 1 500 | + | X | × | 1 500 | + | 10 87 |
= | 1 126 | X | − | 17 100 | + | X | × | 1 500 | + | 10 87 |
= | 313 31500 | X | − | 479 8700 |
313 31500 | X | − | 479 8700 | = | 32 125 |
313 31500 | X | = | 32 125 | + | 479 8700 |
313 31500 | X | = | 13531 43500 |
X | = | 13531 43500 | ÷ | 313 31500 |
= | 13531 43500 | × | 31500 313 |
= | 13531 29 | × | 21 313 |
X | = | 284151 9077 |
X | = | 31.304506 |