Matematika

Pertanyaan

|2y+5|=7-2y
tolong bantu jawab donggg

1 Jawaban

  • 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

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