Matematika

Pertanyaan

Tolong Bantu ya pake caranya!1.3(×+1)=2(×+4)
2.4(3-2y)=15y-7y

2 Jawaban

  • 1. 3(x+1) = 2(x+4)
    3x+3 = 2x+8
    3x-2x = 8-3
    x = 5

    2. 4(3-2y) = 15y-7y
    12-8y = 8y
    -8y-8y = -12
    -16y = -12
    y = -12/-16
    y = 3/4
  • 1.
    3(x + 1) = 2(x + 4)
    3x + 3 = 2x + 8
    3x - 2x = 8 - 3
    x = 5

    2.
    4(3 - 2y) = 15y - 7y
    12 - 8y = 8y
    12 - 8y - 8y = 0
    12 - 16y = 0
    -16y = -12
    y = -12/-16
    y = 3/4

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