x | − | x | × | 1 20 | − | ( | x | + | 473847459 50 | ) | × | 3 10000 | = | 473847459 50 |
方程左边 = | 19 20 | x | − | ( | x | + | 473847459 50 | ) | × | 3 10000 |
19 20 | x | − | ( | x | + | 473847459 50 | ) | × | 3 10000 | = | 473847459 50 |
方程左边 = | 19 20 | x | − | x | × | 3 10000 | − | 473847459 50 | × | 3 10000 |
= | 19 20 | x | − | x | × | 3 10000 | − | 1421542377 500000 |
= | 9497 10000 | x | − | 1421542377 500000 |
9497 10000 | x | − | 1421542377 500000 | = | 473847459 50 |
9497 10000 | x | = | 473847459 50 | + | 1421542377 500000 |