Tolong y no 21 nya please pakai cara

Ini Jawaban Nya Semoga Bermanfaat

8 x [p + (-3)] = 72
8p - 24 = 72
8p = 72 + 24
8p = 96
p = 12

(k + 14) : (-2) = -5
k + 14 = -5 x -2
k + 14 = 10
k = 10 - 14
k = -4

3p : -k = (3.12) : -(-4) = 36 : 4 = c. 9