Matematika

Pertanyaan

2( x - 1 ) = 2x + 2 ada berapa cara penyelesaian?

1 Jawaban



  • Ada 2cara

    Cara1 =
    2(x-1) = 2x + 2
    2x - 2 = 2x + 2
    2x - 2x = 2 + 2
    0 = 4

    Cara 2 =
    2(x-1) = 2x + 2
    2(x-1) = 2(x + 1)
    x - 1 = x + 1
    x - x = 1 + 1
    0 = 2

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