X | ÷ | 126 | − | ( | 70 | − | X | ) | ÷ | 1000 | = | 107 500 |
方程左边 = | 1 126 | X | − | 70 | × | 1 1000 | + | X | × | 1 1000 |
= | 1 126 | X | − | 7 100 | + | X | × | 1 1000 |
= | 563 63000 | X | − | 7 100 |
563 63000 | X | − | 7 100 | = | 107 500 |
563 63000 | X | = | 107 500 | + | 7 100 |
563 63000 | X | = | 71 250 |
X | = | 71 250 | ÷ | 563 63000 |
= | 71 250 | × | 63000 563 |
= | 71 | × | 252 563 |
X | = | 17892 563 |
X | = | 31.779751 |