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3 September, 06:39

The sum of a number and seven is doubled , the result is two less than

the number. Find the number.

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Answers (1)
  1. 3 September, 08:30
    0
    -16

    Step-by-step explanation:

    Let's call the number x. Double the sum of x and seven is 2 (x + 7) and two less than x is x - 2. Since these are equal we can write:

    2 (x + 7) = x - 2

    2x + 14 = x - 2

    x = - 16
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