No.16 tolong dijawab ya..beserta caranya..terimakasih

Fungsi Linear

g(x) = ⅓(x + 4)

g(a) = ⅓(a + 4)
-2 = ⅓(a + 4)
-2 × 3 = a + 4
-6 = a + 4
a = -6 - 4
a = -10

Jawaban : A

1/3 (a + 4) = -2
a + 4 = -6
a = -10

maaf klo salah