tolong jelasin ya kak

12.
1/2 x + 3 ≤ 1/5 x
1/2 x - 1/5 x ≤ - 3
5/10 x - 2/10 x ≤ - 3
3/10 x ≤ - 3
x ≤ - 3 : 3/10
x ≤ - 3 × 10/3
x ≤ - 30/3
x ≤ - 10

Hp = {...,- 13, - 12, - 11, - 10}

Jawabannya:
B. {...,- 13, - 12, - 11, - 10}

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