Question

Nomor 13 dan 14 pakai cara tolong dibantu ya

Answer 1

13.

3(X - 4) ≤ 4(X - 2)
3X - 12 ≤ 4X - 8
8 - 12 ≤ 4X - 3X
-4 ≤ X
X ≥ -4

HP = {-4, -3, -2, -1,....}.......(A)

14.

A = {1, 2, 3, 4}
B = {2, 4, 6, 8}

A - B = {1, 3}.....................(D)