4100 | + | 500 | + | x | + | ( | ( | 4100 | + | x | ) | ÷ | 87 4 | × | 8 | ) | = | 7000 |
方程左边 = | 4600 | + | x | + | ( | ( | 4100 | + | x | ) | ÷ | 87 4 | × | 8 | ) |
4600 | + | x | + | ( | ( | 4100 | + | x | ) | ÷ | 87 4 | × | 8 | ) | = | 7000 |
方程左边 = | 4600 | + | x | + | ( | 4100 | + | x | ) | ÷ | 87 4 | × | 8 |
= | 4600 | + | x | + | ( | 4100 | + | x | ) | × | 32 87 |
= | 4600 | + | x | + | 4100 | × | 32 87 | + | x | × | 32 87 |
= | 4600 | + | x | + | 131200 87 | + | x | × | 32 87 |
= | 531400 87 | + | 119 87 | x |
531400 87 | + | 119 87 | x | = | 7000 |
119 87 | x | = | 7000 | - | 531400 87 |
119 87 | x | = | 77600 87 |
x | = | 77600 87 | ÷ | 119 87 |
= | 77600 87 | × | 87 119 |
= | 77600 | × | 1 119 |
x | = | 77600 119 |
x | = | 652.10084 |