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22 July, 05:26

X + x + 2 + x + 4 = 81

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  1. 22 July, 05:40
    0
    X + X + 2 + X + 4 = 81

    First, combine numbers and Xs.

    3x + 6 = 81 - 6 - 6 3x = 75 X = 25 ← divide by 3 on both sides
  2. 22 July, 05:54
    0
    1. 3x+6=81

    2.-6. = -6

    3.3x=75

    4. 3x/3 = 75/3

    5. x=25
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