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25 March, 20:15

Four times the sum of a number and - 3 is 7 more than quadruple the number. What's the equation?

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Answers (2)
  1. 25 March, 20:45
    0
    4 (n+-3) = 7+4n

    The answer is really

    4 (n-3) = 7+4n
  2. 25 March, 23:55
    0
    Let the unknown number be x.

    4 (x + (-3)) = 7 + 4x

    4x - 12 = 7 + 4x.

    -12 ≠ 7

    There is no equation cause this is cannot happen.
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