Найдите значение выражения –5, 28. (-3, 1+ 2, 6​

49-(63-19)+4а=29             (56-7)/а =55-48                7+6а-282 = 49

49-44 +4а =29                   49а = 7                               6а = 282+49 -7

4а = -5 +29                          7а = 49                             6а = 324

4а = 24                                  а = 7                                  а=54

а=6

(14 + 7а)/7 = 42-37          (5а-25)/4 =29-24                9а -45 + 42 = 93 +48

14 +7а = 5 х 7                  5а-25 = 4 х 5                      9а = 45-42 +93 +48

7а = 35 -14                       5а = 25 + 20                       9а = 144

7а =21                               5а = 45                                а=16

а = 3                                    а=9