X | ÷ | 126 | + | ( | 30 | − | X | ) | ÷ | 111 | − | 1 20 | = | 1667 10000 |
方程左边 = | 1 126 | X | + | 30 | × | 1 111 | − | X | × | 1 111 | − | 1 20 |
= | 1 126 | X | + | 10 37 | − | X | × | 1 111 | − | 1 20 |
= | - | 5 4662 | X | + | 163 740 |
- | 5 4662 | X | + | 163 740 | = | 1667 10000 |
- | 5 4662 | X | = | 1667 10000 | − | 163 740 |
- | 5 4662 | X | = | - | 19821 370000 |
19821 370000 | = | 5 4662 | X |
5 4662 | X | = | 19821 370000 |
X | = | 19821 370000 | ÷ | 5 4662 |
= | 19821 370000 | × | 4662 5 |
= | 19821 5000 | × | 63 5 |
X | = | 1248723 25000 |
X | = | 49.94892 |