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13 July, 02:38

solve this world problem. Half of a number, plus a fifth of two less than the number, is 4 less than the number. What is the number

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Answers (2)
  1. 13 July, 04:45
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    Answer: 16
  2. 13 July, 05:14
    0
    Step-by-step explanation:

    let x be the number

    1/2x + 1/5 (x - 2) = x - 4

    1/2x + 1/5x - 2/5 = x - 4 ... multiply by 10 to get rid of the fractions

    5x + 2x - 4 = 10x - 40

    7x - 4 = 10x - 40

    -4 + 40 = 10x - 7x

    36 = 3x

    36/3 = x

    12 = x <===
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