( | 800 | + | X | - | 1216893 100 | ) | × | 3 4 | = | 281709 50 |
方程左边 = | 800 | × | 3 4 | + | X | × | 3 4 | - | 1216893 100 | × | 3 4 |
= | 600 | + | X | × | 3 4 | - | 3650679 400 |
= | - | 3410679 400 | + | 3 4 | X |
- | 3410679 400 | + | 3 4 | X | = | 281709 50 |
3 4 | X | = | 281709 50 | + | 3410679 400 |
3 4 | X | = | 5664351 400 |
X | = | 5664351 400 | ÷ | 3 4 |
= | 5664351 400 | × | 4 3 |
= | 1888117 100 | × | 1 |
X | = | 1888117 100 |
X | = | 18881.17 |