979 | − | 6 | ( | 6 | x | − | 169 | ) | = | 2755 | − | 6 | ( | 10 | x | + | 125 | ) |
方程左边 = | 979 | − | 6 | × | 6 | x | + | 6 | × | 169 |
= | 979 | − | 36 | x | + | 1014 |
= | 1993 | − | 36 | x |
1993 | − | 36 | x | = | 2755 | − | 6 | ( | 10 | x | + | 125 | ) |
方程右边 = | 2755 | − | 6 | × | 10 | x | − | 6 | × | 125 |
= | 2755 | − | 60 | x | − | 750 |
= | 2005 | − | 60 | x |
1993 | − | 36 | x | = | 2005 | − | 60 | x |
- | 36 | x | + | 60 | x | = | 2005 | − | 1993 |
24 | x | = | 2005 | − | 1993 |
24 | x | = | 12 |
x | = | 12 | ÷ | 24 |
= | 12 | × | 1 24 |
= | 1 | × | 1 2 |
x | = | 1 2 |
x | = | 0.5 |