( | x | − | x | ÷ | 109 100 | × | 3 100 | ) | × | 1 50 | = | 479840639 100 |
方程左边 = | x | × | 1 50 | − | x | ÷ | 109 100 | × | 3 100 | × | 1 50 |
= | x | × | 1 50 | − | x | × | 3 5450 |
= | 53 2725 | x |
53 2725 | x | = | 479840639 100 |
x | = | 479840639 100 | ÷ | 53 2725 |
= | 479840639 100 | × | 2725 53 |
= | 479840639 4 | × | 109 53 |
x | = | 52302629651 212 |