|2y+5|=7-2y tolong bantu jawab donggg
Matematika
Korisa27
Pertanyaan
|2y+5|=7-2y
tolong bantu jawab donggg
tolong bantu jawab donggg
1 Jawaban
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1. Jawaban dewa251202
Bab Nilai Mutlak
|2y + 5| = 7 - 2y
(2y + 5)^2 = (7 - 2y)^2
4y^2 + 20y + 25 = 49 - 28y + 4y^2
4y^2 - 4y^2 + 20y + 28y = 49 - 25
48y = 24
y = 24/48
y = 1/2