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28 March, 17:28

Equivalent form of this equation x/12 - 7=x/4

options

1. x-7=3x

2. x-74=12x

3. x-84=3x

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Answers (1)
  1. 28 March, 17:30
    0
    The correct answer is 3. x-84=3x

    That's because

    X/12 - 7 = x/4 is also (x-84) / 7 = x/4 and when you cross multiply it you get (x-84) * 4 = x * 7

    4x-336=7x

    -3x = 336

    x = 336/-3

    x = - 112
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