( | 347 2 | + | 262 | ) | ÷ | 29 | × | x | + | 232 | ÷ | 29 | × | ( | x | + | 15 | ) | + | 116 | ÷ | 29 | × | ( | x | + | 30 | ) | = | 2125 |
方程左边 = | ( | 347 2 | + | 262 | ) | × | 1 29 | x | + | 8 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
( | 347 2 | + | 262 | ) | × | 1 29 | x | + | 8 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) | = | 2125 |
方程左边 = | 347 2 | × | 1 29 | x | + | 262 | × | 1 29 | x | + | 8 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 347 58 | x | + | 262 29 | x | + | 8 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 871 58 | x | + | 8 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 871 58 | x | + | 8 | x | + | 8 | × | 15 | + | 4 | ( | x | + | 30 | ) |
= | 871 58 | x | + | 8 | x | + | 120 | + | 4 | ( | x | + | 30 | ) |
= | 1335 58 | x | + | 120 | + | 4 | ( | x | + | 30 | ) |
= | 1335 58 | x | + | 120 | + | 4 | x | + | 4 | × | 30 |
= | 1335 58 | x | + | 120 | + | 4 | x | + | 120 |
= | 1567 58 | x | + | 240 |
1567 58 | x | + | 240 | = | 2125 |
1567 58 | x | = | 2125 | − | 240 |
1567 58 | x | = | 1885 |
x | = | 1885 | ÷ | 1567 58 |
= | 1885 | × | 58 1567 |
x | = | 109330 1567 |
x | = | 69.770262 |