Matematika

Pertanyaan

Dijawab Pliss.... Besok Dikumpulin.....
Dijawab Pliss.... Besok Dikumpulin.....

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2 Jawaban

  • 2B-3A
    = (2(3x+4y))-(3(2x-5y))
    = (6x+8y)-(6x-15y)
    = 6x+8y-6x+15y
    = 6x-6x+8y+15y
    = 23y (C)

  • A= 2x-5y
    B= 3x+4y
    2B - 2A = 2(3x + 4y) - 3(2x - 5y)
                 = 6x + 8y - 6x + 15y
                 = 23y  (c)

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