tolong bantuannya kak:) |x-2|+|x+4|=7
Matematika
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Pertanyaan
tolong bantuannya kak:) |x-2|+|x+4|=7
1 Jawaban
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1. Jawaban Anonyme
|x - 2| + |x + 4| = 7
•
x - 2 + x + 4 = 7
2x = 5
x = 5/2
•
x - 2 + x + 4 = -7
2x = -9
x = -9/2