(z − 39) ⋅ 37 = 7955
z − 39 = 7955 : 37
z − 39 = 215
z = 215 + 39
z = 254
789 ⋅ (t − 361) = 11 835
t − 361 = 11 835 : 789
t − 361 = 15
t = 15 + 361
t = 376
(205 ⋅ 78 + m) : 9109 = 6
15990 + m = 6 * 9109
15990 + m = 54654
m = 54654 - 15990
m = 38664
49 635 : (m − 973) = 1103
m − 973 = 49 635 : 1103
m − 973 = 45
m = 45 + 973
m = 1018
21z + 7z − 38 = 46
28z = 46 + 38
28z = 84
z = 84 : 28
z = 3
24t − 13t − 7 = 15
11t = 15 + 7
11t = 22
t = 22 : 11
t = 2
Ответ: а) z = 254; б) t = 376; в) m = 38664; г) m = 1018; д) z = 3; е) t = 2.