Question

Mohon bantuannya ya nomor 10. pakai caranya.

Answer 1

X - 1 ≤ 2x + 1
x - 2x ≤ 1 + 1
-x ≤ 2
x ≥ -2

2x + 1 ≤ 3 + x
2x - x ≤ 3 - 1
x ≤ 2

HP = { x| -2 ≤ x ≤ 2}