1319 100 | x | = | ( | x | + | 7 2 | ) | × | 399 50 |
方程右边 = | x | × | 399 50 | + | 7 2 | × | 399 50 |
= | x | × | 399 50 | + | 2793 100 |
1319 100 | x | = | 399 50 | x | + | 2793 100 |
1319 100 | x | − | 399 50 | x | = | 2793 100 |
521 100 | x | = | 2793 100 |
x | = | 2793 100 | ÷ | 521 100 |
= | 2793 100 | × | 100 521 |
= | 2793 | × | 1 521 |
x | = | 2793 521 |
x | = | 5.360845 |