21 - 3× = 2× + 1..? Mencari nilai mutlak..?
Matematika
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Pertanyaan
21 - 3× = 2× + 1..?
Mencari nilai mutlak..?
Mencari nilai mutlak..?
1 Jawaban
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1. Jawaban Bintang1151y
21 - 3x = 2x + 1
3x = 2x - 20
3x - 2x = -20
x = -20