X | ÷ | 87 | + | 30 | ÷ | 135 | − | ( | 62 | − | X | ) | ÷ | 1000 | = | 333 1000 |
方程左边 = | X | × | 1 87 | + | 2 9 | − | ( | 62 | − | X | ) | × | 1 1000 |
1 87 | X | + | 2 9 | − | ( | 62 | − | X | ) | × | 1 1000 | = | 333 1000 |
方程左边 = | 1 87 | X | + | 2 9 | − | 62 | × | 1 1000 | + | X | × | 1 1000 |
= | 1 87 | X | + | 2 9 | − | 31 500 | + | X | × | 1 1000 |
= | 1087 87000 | X | + | 721 4500 |
1087 87000 | X | + | 721 4500 | = | 333 1000 |
1087 87000 | X | = | 333 1000 | − | 721 4500 |
1087 87000 | X | = | 311 1800 |
X | = | 311 1800 | ÷ | 1087 87000 |
= | 311 1800 | × | 87000 1087 |
= | 311 3 | × | 145 1087 |
X | = | 45095 3261 |
X | = | 13.82858 |