( | 153 | + | 861 2 | ) | ÷ | 31 | × | x | + | 225 | ÷ | 31 | × | ( | x | + | 15 | ) | + | 43 | ÷ | 31 | × | ( | x | + | 30 | ) | = | 907 |
方程左边 = | ( | 153 | + | 861 2 | ) | × | 1 31 | x | + | 225 31 | ( | x | + | 15 | ) | + | 43 31 | ( | x | + | 30 | ) |
( | 153 | + | 861 2 | ) | × | 1 31 | x | + | 225 31 | ( | x | + | 15 | ) | + | 43 31 | ( | x | + | 30 | ) | = | 907 |
方程左边 = | 153 | × | 1 31 | x | + | 861 2 | × | 1 31 | x | + | 225 31 | ( | x | + | 15 | ) | + | 43 31 | ( | x | + | 30 | ) |
= | 153 31 | x | + | 861 62 | x | + | 225 31 | ( | x | + | 15 | ) | + | 43 31 | ( | x | + | 30 | ) |
= | 1167 62 | x | + | 225 31 | ( | x | + | 15 | ) | + | 43 31 | ( | x | + | 30 | ) |
= | 1167 62 | x | + | 225 31 | x | + | 225 31 | × | 15 | + | 43 31 | ( | x | + | 30 | ) |
= | 1167 62 | x | + | 225 31 | x | + | 3375 31 | + | 43 31 | ( | x | + | 30 | ) |
= | 1617 62 | x | + | 3375 31 | + | 43 31 | ( | x | + | 30 | ) |
= | 1617 62 | x | + | 3375 31 | + | 43 31 | x | + | 43 31 | × | 30 |
= | 1617 62 | x | + | 3375 31 | + | 43 31 | x | + | 1290 31 |
= | 1703 62 | x | + | 4665 31 |
1703 62 | x | + | 4665 31 | = | 907 |
1703 62 | x | = | 907 | − | 4665 31 |
1703 62 | x | = | 23452 31 |
x | = | 23452 31 | ÷ | 1703 62 |
= | 23452 31 | × | 62 1703 |
= | 1804 | × | 2 131 |
x | = | 3608 131 |
x | = | 27.541985 |