5 ( 2–1 ) ≤ 6 ( 2x –½ ) ini tentang PtLSV

5 ( 2–1 ) ≤ 6 ( 2x –½ )
5×1≤12x-3
5≤12x-3
5+3≤12x
8≤12x
8/12≤x
x≥2/3

5 ( 2–1 ) ≤ 6 ( 2x –½ )
<=> 10 - 5 ≤ 12x -3
<=> 5 + 3 ≤ 12x
<=> 8 ≤ 12x
<=> 8/12 ≤ x
<=> 2/3 ≤ x

HP = { x|x >= 2/3, x € R}

Finish