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1 March, 14:33

In parallelogram ABCD AB is 5x+2 and DC is 8x - 7 How do I find x?

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Answers (2)
  1. 1 March, 14:47
    0
    3

    Step-by-step explanation:

    Because this is a parallelogram, AB and CD have the same lengths. Therefore, 5x + 2 = 8x - 7.

    Simplifying, we get 9 = 3x, so that x = 3.
  2. 1 March, 14:56
    0
    x=3

    Step-by-step explanation:

    In a parallelogram, AB has to be equal to DC

    5x+2 = 8x-7

    Subtract 5x from each side

    5x-5x+2 = 8x-5x-7

    2 = 3x-7

    Add 7 to each side

    2+7 = 3x - 7+7

    9 = 3x

    9/3 = 3x/3

    3 = x
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