( | 176 | + | 531 2 | ) | ÷ | 30 | × | x | + | 188 | ÷ | 30 | × | ( | x | + | 15 | ) | + | 120 | ÷ | 30 | × | ( | x | + | 30 | ) | = | 1332 |
方程左边 = | ( | 176 | + | 531 2 | ) | × | 1 30 | x | + | 94 15 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
( | 176 | + | 531 2 | ) | × | 1 30 | x | + | 94 15 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) | = | 1332 |
方程左边 = | 176 | × | 1 30 | x | + | 531 2 | × | 1 30 | x | + | 94 15 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 88 15 | x | + | 177 20 | x | + | 94 15 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 883 60 | x | + | 94 15 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 883 60 | x | + | 94 15 | x | + | 94 15 | × | 15 | + | 4 | ( | x | + | 30 | ) |
= | 883 60 | x | + | 94 15 | x | + | 94 | + | 4 | ( | x | + | 30 | ) |
= | 1259 60 | x | + | 94 | + | 4 | ( | x | + | 30 | ) |
= | 1259 60 | x | + | 94 | + | 4 | x | + | 4 | × | 30 |
= | 1259 60 | x | + | 94 | + | 4 | x | + | 120 |
= | 1499 60 | x | + | 214 |
1499 60 | x | + | 214 | = | 1332 |
1499 60 | x | = | 1332 | − | 214 |
1499 60 | x | = | 1118 |
x | = | 1118 | ÷ | 1499 60 |
= | 1118 | × | 60 1499 |
x | = | 67080 1499 |
x | = | 44.749833 |