5 | ( | 31 | + | x | ) | + | 6 | ÷ | 36 | + | x | = | 49 10 |
方程左边 = | 5 | ( | 31 | + | x | ) | + | 1 6 | + | x |
5 | ( | 31 | + | x | ) | + | 1 6 | + | x | = | 49 10 |
方程左边 = | 5 | × | 31 | + | 5 | x | + | 1 6 | + | x |
= | 155 | + | 5 | x | + | 1 6 | + | x |
= | 931 6 | + | 6 | x |
931 6 | + | 6 | x | = | 49 10 |
6 | x | = | 49 10 | − | 931 6 |
6 | x | = | - | 2254 15 |
x | = | - | 2254 15 | ÷ | 6 |
= | - | 2254 15 | × | 1 6 |
= | - | 1127 15 | × | 1 3 |
x | = | - | 1127 45 |
x | = | - 25.044444 |