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Materi : Persamaan MutlakPembahasan :
|x - 3| + |2x - 8| = 5
Syarat untuk x ≥ 0
x - 3 + 2x - 8 = 5
3x - 11 = 5
3x = 16
x = 16/3
Syarat Untuk x < 0
-(x - 3) - (2x - 8) = 5
-x + 3 - 2x + 8 = 5
-3x + 11 = 5
3x = 11 - 5
3x = 6
x = 2
Hp : {2 , 16/3}