( | 4500 | × | 12 | × | 9 10 | − | 60 100 | × | 70 | X | × | 139 2000 | ) | ÷ | ( | 40 100 | × | 70 | X | + | 50 100 | × | 70 | X | ) | = | 19 500 |
方程两边同时乘以: | ( | 40 100 | × | 70 | X | + | 50 100 | × | 70 | X | ) |
( | 4500 | × | 12 | × | 9 10 | − | 60 100 | × | 70 | X | × | 139 2000 | ) | = | 19 500 | ( | 40 100 | × | 70 | X | + | 50 100 | × | 70 | X | ) |
4500 | × | 12 | × | 9 10 | − | 60 100 | × | 70 | X | × | 139 2000 | = | 19 500 | ( | 40 100 | × | 70 | X | + | 50 100 | × | 70 | X | ) |
4500 | × | 12 | × | 9 10 | − | 60 100 | × | 70 | X | × | 139 2000 | = | 19 500 | × | 40 100 | × | 70 | X | + | 19 500 | × | 50 100 | × | 70 | X |
48600 | − | 2919 1000 | X | = | 133 125 | X | + | 133 100 | X |
48600 | − | 2919 1000 | X | = | 1197 500 | X |
- | 2919 1000 | X | − | 1197 500 | X | = | - | 48600 |
- | 5313 1000 | X | = | - | 48600 |
48600 | = | 5313 1000 | X |
5313 1000 | X | = | 48600 |
X | = | 48600 | ÷ | 5313 1000 |
= | 48600 | × | 1000 5313 |
= | 16200 | × | 1000 1771 |
X | = | 16200000 1771 |
X | = | 9147.374365 |