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X=6-4
X=2
2) -x-4=6
-x=6+4
-x=10
X=-10
Jadi Hp ={-10,2}
Jadikan jawaban terbaik yaa
a. Jika x+4 ≥ 0 |x+4| = 6
x+4=6
x ≥ -4 x = 6-4=2
b. Jika x+4<0 |x+4| = 6
x < -4 -x-4 = 6
-x = 6 +4
x = -10
Jadi, x yang memenuhi ialah x= -10 atau 2