Matematika

Pertanyaan

1.) 3y+5=11
2.)7x-4=2x+6
3.)2(5x+6)=22

1 Jawaban

  • 1) 3y+5=11
    => 3y = 11-5
    => y = 6/3 = 2
    2) 7x - 4 = 2x + 6
    => 7x - 2x = 10
    => 5x = 10
    => x = 2
    3) 10x + 12 = 22
    => 10x = 22 - 12
    => 10x = 10
    => x = 1

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