Номер 40

14 + x = 34
x = 34 – 14
x = 20
14 + 20 = 34
34 = 34

x + 36 = 63
x = 63 – 36
x = 27
27 + 36 = 63
63 = 63

x + 23 = 82
x  = 82 – 23
x = 59
59 + 23 = 82
82 = 82