( | 166 | + | 291 | ) | ÷ | 30 | × | x | + | 159 | ÷ | 30 | × | ( | x | + | 15 | ) | + | 120 | ÷ | 30 | × | ( | x | + | 30 | ) | = | 895 |
Left side of the equation = | ( | 166 | + | 291 | ) | × | 1 30 | x | + | 53 10 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
( | 166 | + | 291 | ) | × | 1 30 | x | + | 53 10 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) | = | 895 |
Left side of the equation = | 166 | × | 1 30 | x | + | 291 | × | 1 30 | x | + | 53 10 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 83 15 | x | + | 97 10 | x | + | 53 10 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 457 30 | x | + | 53 10 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 457 30 | x | + | 53 10 | x | + | 53 10 | × | 15 | + | 4 | ( | x | + | 30 | ) |
= | 457 30 | x | + | 53 10 | x | + | 159 2 | + | 4 | ( | x | + | 30 | ) |
= | 308 15 | x | + | 159 2 | + | 4 | ( | x | + | 30 | ) |
= | 308 15 | x | + | 159 2 | + | 4 | x | + | 4 | × | 30 |
= | 308 15 | x | + | 159 2 | + | 4 | x | + | 120 |
= | 368 15 | x | + | 399 2 |
368 15 | x | + | 399 2 | = | 895 |
368 15 | x | = | 895 | − | 399 2 |
368 15 | x | = | 1391 2 |
x | = | 1391 2 | ÷ | 368 15 |
= | 1391 2 | × | 15 368 |
x | = | 20865 736 |
x | = | 28.349185 |