Matematika

Pertanyaan

a. x/3 + x/2 =





b. 5/(x+2) - 3/(x+1) =

1 Jawaban

  • a.
    = 2x/6 + 3x/3
    = 5x/6
    = 5/6 x

    b.
    = 5(x-1) - 3(x+2) per (x+2)(x-1)
    = 5x-5-3x-6 per x'2-x+2x-2
    = 2x-11 per x'2+x-2

    salah maff..

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