Matematika

Pertanyaan

5[2× - 3] = 2[3 - 5×]

2 Jawaban

  • 5[2x-3]=2[3-5x]
    10x-15=6-10x
    10x+10x=6+15
    20x=21
    x=21/20
  • Penyelesaian :

    5[2x - 3] = 2[3 - 5x]
    _______________________________________________________
    ⇔ 10x - 15           = 6 - 10x
    ⇔ 10x - 15 + 10x = 6 - 10x + 10x
    ⇔ 20x - 15           = 6
    ⇔ 20x                  = 6 + 15
    ⇔ 20x                  = 21
    ⇔ x                      =   21/20

    Salam Alaikum.

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