Matematika

Pertanyaan

1) 5x-12 = 2(x+6)
2) 5(y-5)+2 = y+7

1 Jawaban

  • 1. 5x-12 = 2(x+6)
    5x-12 = 2x+12
    3x = 24
    x = 8

    2. 5(y-5)+2 = y+7
    5y-25+2 = y+7
    4y = 30
    y = 7,5

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