Matematika

Pertanyaan

kurangkanlah 7p + 14 dari 9p + 12 =

2 Jawaban

  • (9p + 12) - (7p + 14) = 9p + 12 - 7p - 14
                                      = 9p - 7p + 12 - 14
                                      = 2p - 2
                                      = 2(p - 1)
  • 7p+14 dari 9p+12
    =9p+12-(7p+14)
    =9p+12-7p-14
    =9p-7p+12-14
    =2p-2

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