Nilai y yang memenuhi |7y-12|-3 > 6y

|7y-12|>6y+3
(7y-12)kuadrat>(6y+3)
(7y-12)kuadrat-(6y+3)>0
(7y-12+6y+3)(7y-12-6y-3)>0
(13y-9)(y-15)>0
13y-9=0 / y-15=0
y=9/13 atau y=15

7y- 15 > 6y
7y- 15 - 6y > 6y- 6y
y- 15 > 0
y- 15 + 15 > 0 + 15
y > 15