Matematika

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C
[tex] c - 2 = 5 \\ 2d + 3 = 5 \\ 9 - 3e = 6 \\ 18 = 10 - 2x \\ 10 = 9 - 5 \\ 8h + 2 = 18 \\ 3i - 2 = 7 \\ - 3j = - 1[/tex]

1 Jawaban

  • c - 2 = 5
    c = 5 + 2
    c = 7

    2d + 3 = 5
    2d = 5 - 3
    2d = 2
    d = 1

    9 - 3e = 6
    - 3e = 6 - 9
    - 3e = - 3
    e = 1

    18 = 10 - 2x
    18 - 10 = - 2x
    - 2x = 8
    x = - 4

    8h + 2 = 18
    8h = 18 - 2
    8h = 16
    h = 2

    3i - 2 = 7
    3i = 7 + 2
    3i = 9
    i = 3

    - 3j = - 1
    j = ⅓

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