140 | × | 8991 2500 | + | 18 5 | × | 3 | + | 4 | × | 2 | + | 7 2 | × | 2 | = | ( | 140 | + | 3 | + | 2 | + | 2 | ) | x |
方程左边 = | 62937 125 | + | 54 5 | + | 8 | + | 7 |
= | 66162 125 |
66162 125 | = | ( | 140 | + | 3 | + | 2 | + | 2 | ) | x |
方程右边 = | 140 | x | + | 3 | x | + | 2 | x | + | 2 | x |
= | 147 | x |
66162 125 | = | 147 | x |
- | 147 | x | = | - | 66162 125 |
66162 125 | = | 147 | x |
147 | x | = | 66162 125 |
x | = | 66162 125 | ÷ | 147 |
= | 66162 125 | × | 1 147 |
= | 22054 125 | × | 1 49 |
x | = | 22054 6125 |
x | = | 3.600653 |