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7 March, 09:41

When seven times a number is deceased by 3, the result is 25. What is the number?

+4
Answers (2)
  1. 7 March, 10:01
    0
    seven times a number: 7x

    is deceased by 3: - 3

    the result is 25: = 25

    Equation:

    7x - 3 = 25

    Steps:

    7x - 3 = 25

    7x - 3 + 3 = 25 + 3

    7x = 28

    7x/7 = 28/7

    x=4
  2. 7 March, 10:02
    0
    7n-3 = 25

    7n-3 (+3) = 25 (+3)

    (7n = 28) / 7

    n=4
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