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16 March, 22:52

One number is 7 less than a second number. Twice the second number is 7 less than 5 times the first. Find the smaller of two numbers.

Possible answers:

6, - 14, 8, 7

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Answers (1)
  1. 16 March, 23:39
    0
    N = x-7

    2x = 5n-7

    2x = 5 (x-7) - 7

    2x=5x-35-7

    -3x=-42

    x=14

    n=7

    7 is the answer
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