X | ÷ | 126 | − | 20 | ÷ | 277 | − | ( | 75 | − | X | ) | ÷ | 500 | = | 247 1000 |
方程左边 = | X | × | 1 126 | − | 20 277 | − | ( | 75 | − | X | ) | × | 1 500 |
1 126 | X | − | 20 277 | − | ( | 75 | − | X | ) | × | 1 500 | = | 247 1000 |
方程左边 = | 1 126 | X | − | 20 277 | − | 75 | × | 1 500 | + | X | × | 1 500 |
= | 1 126 | X | − | 20 277 | − | 3 20 | + | X | × | 1 500 |
= | 313 31500 | X | − | 1231 5540 |
313 31500 | X | − | 1231 5540 | = | 247 1000 |
313 31500 | X | = | 247 1000 | + | 1231 5540 |
313 31500 | X | = | 129969 277000 |
X | = | 129969 277000 | ÷ | 313 31500 |
= | 129969 277000 | × | 31500 313 |
= | 129969 554 | × | 63 313 |
X | = | 8188047 173402 |
X | = | 47.220026 |