Jawabanmu

2014-03-08T00:24:17+07:00
2014-03-08T07:05:22+07:00
-2x + 1 > x + 16
-2x - x > 16 - 1
-3x > 15
x > 15/ -3
x> -5


sudutnya = 2 x 90
= 180