Matematika

Pertanyaan

tolong dijawab no. 27-28 pakai cara yg jujur....! jangan ngasal jawab !!
tolong dijawab no. 27-28 pakai cara yg jujur....! jangan ngasal jawab !!

1 Jawaban

  • 5.( x - 6 ) = 2.( x - 3 )
    5x - 30 = 2x - 6
    5x - 2x = 30 - 6
    3x = 24
    × = 24 ÷ 3
    × = 6
    × + 3 = 6 + 3 = 9

    rini = roni ( x )
    3x - 5 = 2x + 2
    3x - 2x = 5 + 2
    x = 7