x | = | 45000000 | − | 76500000 | − | 1125000 | − | 2925000 | − | 1 10 | x | − | 16500000 | − | 41 400 | x | − | 825000 |
方程右边 = | - | 52875000 | − | 81 400 | x |
x | = | - | 52875000 | − | 81 400 | x |
x | + | 81 400 | x | = | - | 52875000 |
481 400 | x | = | - | 52875000 |
x | = | - | 52875000 | ÷ | 481 400 |
= | - | 52875000 | × | 400 481 |
x | = | - | 21150000000 481 |