x | = | 6 100 | + | 11 10 | ( | 7 100 | - | x | ) |
方程右边 = | 6 100 | + | 11 10 | × | 7 100 | - | 11 10 | x |
= | 6 100 | + | 77 1000 | - | 11 10 | x |
= | 137 1000 | - | 11 10 | x |
x | = | 137 1000 | - | 11 10 | x |
x | + | 11 10 | x | = | 137 1000 |
21 10 | x | = | 137 1000 |
x | = | 137 1000 | ÷ | 21 10 |
= | 137 1000 | × | 10 21 |
= | 137 100 | × | 1 21 |
x | = | 137 2100 |
x | = | 0.065238 |