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Verified answer
Bab Nilai MutlakMatematika SMA Kelas X
3 |x + 2| - 8 = 4
3|x + 2| = 4 + 8
|x + 2| = 12/3
|x + 2| = 4
x + 2 = 4
x = 4 - 2
x = 2
x + 2 = -4
x = -4 - 2
x = -6
HP = { -6, 2 }