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31 July, 12:35

Construct a mathematical inequality or equation to express the following sentence:

"A number decreased by 2 is half the number increased by 6." Show all of your work.

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Answers (2)
  1. 31 July, 15:25
    0
    Let the number be x.

    x - 2 = (x/2) + 6

    Let us go ahead and solve the equation.

    x - x/2 = 6 + 2

    x/2 = 8

    x = 2*8

    x = 16

    So the number is 16.

    Hope this explains it.
  2. 31 July, 15:26
    0
    X - 2 = (1/2) x + 6

    x = (1/2) x + 8

    (1/2) x = 8

    x = 16
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