Question

Carilah himpunan penyelesaian dari │x+2│≥ ( 2x+1)

Answer 1

Verified answer

│x+2│≥ ( 2x+1)

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

x + 2 ≥ -(2x + 1)
x + 2 ≥ - 2x - 1
x + 2x ≥ -1 - 2
3x ≥ -3
x ≥ -1

Hp = { x ≥ -1 atau x ≤ 1}