X | − | X | × | 13 200 | + | ( | X | + | 10000000 | ) | × | 3 10000 | = | 10000000 |
方程左边 = | 187 200 | X | + | ( | X | + | 10000000 | ) | × | 3 10000 |
187 200 | X | + | ( | X | + | 10000000 | ) | × | 3 10000 | = | 10000000 |
方程左边 = | 187 200 | X | + | X | × | 3 10000 | + | 10000000 | × | 3 10000 |
= | 187 200 | X | + | X | × | 3 10000 | + | 3000 |
= | 9353 10000 | X | + | 3000 |
9353 10000 | X | + | 3000 | = | 10000000 |
9353 10000 | X | = | 10000000 | − | 3000 |
9353 10000 | X | = | 9997000 |
X | = | 9997000 | ÷ | 9353 10000 |
= | 9997000 | × | 10000 9353 |
X | = | 99970000000 9353 |