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6 April, 04:23

How do I solve: 3 (x+4) = 3

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Answers (2)
  1. 6 April, 04:42
    0
    In order to solve this, start by distributing the 3.

    Essentially, we multiplying each value inside the parenthesis by 3, to get:

    3x + 12 = 3

    Next, subtract 12 on both sides:

    3x + 12 - 12 = 3 - 12

    12 - 12 = 0

    3 - 12 = - 9

    So:

    3x = - 9

    The last step here is to divide both sides by 3:

    3x : 3 = - 9 : 3

    3 • X : 3 = X

    -9 : 3 = - 3

    So, long story short, X = - 3
  2. 6 April, 04:52
    0
    3x + 12 = 3

    (multiply 3 by the variables in the parentheses)

    3x + 12 = 3

    add 12 to each side

    3x = 15

    divide each side by 3

    X=5
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