Найди значения выражений d+7 и 21-d при d = 17, d = 14, d = 16, d = 18

D+7=17+7=24
21-d=21-17=4

d+7=14+7=21
21-d=21-14=7

d+7=16+7=23
21-d=21-16=5

d+7=18+7=25
21-d=21-18=3

1) 24, 21, 23, 25
2) 4, 7, 5, 3