Matematika

Pertanyaan

soal persamaan nilai mutlak
5.(|-4|+1)-|-2| |10-3v| = |-5|.3

1 Jawaban

  • ( l-4l + 1 ) - l-2l . l 10 - 3v l = l-5l.3
    (4 + 1 ) - 2 . l10-3vl = 5.3
    (5 - 2 ). 10-3v = - 15
    3 ( 10 - 3v ) = - 15
    30 - 9v =-15
    - 9v = -45
    v = 5

    (5-2) . (10 - 3v) = 15
    3 ( 10 - 3v ) = 15
    10 - 9v = 15
    -9v = 5
    v = - 5/9

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