27*(100.5 - 4х) = 555
2713,5- 108х = 555
- 108х = 555-2713,5
- 108х = -2158,5
х = -2158,5/- 108
х=19,9861111111
27*(100.5 - 4х) = 555
2713,5- 108х = 555
- 108х = 555-2713,5
- 108х = -2158,5
х = -2158,5/- 108
х=19,9861111111