berdasarkan definisi nilai mutlak jabarkanlah |x-2| + |3x+9|
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Pertanyaan
berdasarkan definisi nilai mutlak jabarkanlah |x-2| + |3x+9|
1 Jawaban
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1. Jawaban fatma181
|x-2| + |3x + 9| = 0
x-2 + 3x +9 = 0
x +3x = 2-9
4x = 11
x = 11/4
x = 2¾