Решите уровнение:
(2,07 х +х+ 35,395) * 5,3 = 212

2,07х+х+35,395)*5,3=2123,07х+35,395=212:5,33,07х+35,395=403,07х=40-35,3953,07х=4,605х=4,605:3,07х=1,5