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k - 3k > 6
-2k > 6
-k > 3
k < -3
nomor 2 :
(4z-3) > 3 ( 2z - 4 )
4z - 3 > 6z - 12
4z - 6z > -12 + 3
-2z > - 9
z > 4 1/2