( | 281 2 | + | 340 | ) | ÷ | 30 | × | x | + | 116 | ÷ | 30 | × | ( | x | + | 15 | ) | + | 120 | ÷ | 31 | × | ( | x | + | 30 | ) | = | 1209 |
Left side of the equation = | ( | 281 2 | + | 340 | ) | × | 1 30 | x | + | 58 15 | ( | x | + | 15 | ) | + | 120 31 | ( | x | + | 30 | ) |
( | 281 2 | + | 340 | ) | × | 1 30 | x | + | 58 15 | ( | x | + | 15 | ) | + | 120 31 | ( | x | + | 30 | ) | = | 1209 |
Left side of the equation = | 281 2 | × | 1 30 | x | + | 340 | × | 1 30 | x | + | 58 15 | ( | x | + | 15 | ) | + | 120 31 | ( | x | + | 30 | ) |
= | 281 60 | x | + | 34 3 | x | + | 58 15 | ( | x | + | 15 | ) | + | 120 31 | ( | x | + | 30 | ) |
= | 961 60 | x | + | 58 15 | ( | x | + | 15 | ) | + | 120 31 | ( | x | + | 30 | ) |
= | 961 60 | x | + | 58 15 | x | + | 58 15 | × | 15 | + | 120 31 | ( | x | + | 30 | ) |
= | 961 60 | x | + | 58 15 | x | + | 58 | + | 120 31 | ( | x | + | 30 | ) |
= | 1193 60 | x | + | 58 | + | 120 31 | ( | x | + | 30 | ) |
= | 1193 60 | x | + | 58 | + | 120 31 | x | + | 120 31 | × | 30 |
= | 1193 60 | x | + | 58 | + | 120 31 | x | + | 3600 31 |
= | 44183 1860 | x | + | 5398 31 |
44183 1860 | x | + | 5398 31 | = | 1209 |
44183 1860 | x | = | 1209 | − | 5398 31 |
44183 1860 | x | = | 32081 31 |
x | = | 32081 31 | ÷ | 44183 1860 |
= | 32081 31 | × | 1860 44183 |
= | 32081 | × | 60 44183 |
x | = | 1924860 44183 |
x | = | 43.565625 |