Matematika

Pertanyaan

jika
[tex]5x - 5 = 2x + 7 = maka \: nilai \: x - 1 \: adalah[/tex]

2 Jawaban

  • MAPEL = MATEMATIKA
    KELAS = 7
    BAB = SPLSV

    5x - 5 = 2x + 7
    5x - 2x = 7 + 5
    3x = 12
    x = 12/3
    x = 4

    nilai x - 1 (subtitusi nilai x)
    = 4 - 1
    = 3

    semoga membantu
  • 5x - 5 = 2x + 7
    5x - 2x = 7 + 5
    3x = 12
    x = 12 รท 3 = 4

    maka, x - 1 = 4 - 1 = 3

Pertanyaan Lainnya