( | 8973 | + | 1211 25 | + | X | ) | × | 7 200 | = | 4 | X |
方程左边 = | 8973 | × | 7 200 | + | 1211 25 | × | 7 200 | + | X | × | 7 200 |
= | 62811 200 | + | 8477 5000 | + | X | × | 7 200 |
= | 197344 625 | + | 7 200 | X |
197344 625 | + | 7 200 | X | = | 4 | X |
7 200 | X | − | 4 | X | = | - | 197344 625 |
- | 793 200 | X | = | - | 197344 625 |
197344 625 | = | 793 200 | X |
793 200 | X | = | 197344 625 |
X | = | 197344 625 | ÷ | 793 200 |
= | 197344 625 | × | 200 793 |
= | 197344 25 | × | 8 793 |
X | = | 1578752 19825 |
X | = | 79.634401 |