a(24-16)=100-32:87(x-2756)-8073=1844(14+a7):7=42-37(87-63:9):a=55-68(5a-25):4=29-4639+a

A(24-16)=100-32:87
а*8 = 100 - 28
8а = 72
а = 72 : 8
а = 9

(x-2756)-8073=1844
х - 2756 - 8073 = 1844
х = 1844 + 2756 + 8073
х = 12673

(14+a7):7=42-37
(14 + 7а) : 7 = 5
14 + 7а = 5 * 7 
14 + 7а = 35
7а = 35 - 14
7а = 21
а = 21 : 7
а = 3

(87-63:9):a=55-68
(56 - 7) : а = 55 - 48
49 : а = 7
а = 49 : 7
а = 7

(5a-25):4=29-46
(5а -25) : 4 = 29 - 24
(5а - 25) : 4 = 5
5а - 25 = 5 * 4
5а - 25 = 20
5а = 20 + 25
5а = 45
а = 45 : 5
а = 9

39+a(42:7)-(19+18)=26
39 + а*6 - 37 = 26
2 + 6а = 26
6а = 26 - 2
6а = 24
а = 24 : 6
а = 4

9(a-5)+76=93+54:98
9а - 45 + 42 = 93 + 48
9а - 3 = 141
9а = 141 + 3
9а = 144
а = 144 : 9
а = 16

36:9+23+20:a=13+36
4 + 23 + 20:а = 13 + 18
27 + 20:а = 31
20:а = 31 - 27
20:а = 4
а = 20 : 4
а = 5

(470+430):3-x:5=100
900 : 3 - х : 5 = 100
300 - х:5 = 100
-х:5 = 100 - 300
х:5 = 100 + 300
х:5 = 400
х = 400 * 5
х = 2000

7x+(1270-30):4=366
7х + 1240 : 4 = 366
7х + 310 = 366
7х = 366 - 310
7х = 56
х = 56 : 7
х = 8

6x-480=63:710
6х - 480 = 90
6х = 90 + 480
6х = 570
х = 570 : 6
х = 95

119+a(35:5)-(273+15)=83
119 + а*7 - 288 = 83
7а - 169 = 83
7а = 83 + 169
7а = 252
а = 252 : 7
а = 36

64:8+(a-39)5=73
8 + 5а - 195 = 73
5а - 187 = 73
5а = 73 + 187 
5а = 260
а = 260 : 5
а = 52

(x+7262)-735=820034
х + 7262 - 735 = 820034
х = 820034 - 7262 + 735
х = 813507