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25 April, 17:26

What is the solution of 2x/5-x/2=40?

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  1. 25 April, 17:34
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    2x/5 - X/2 = 40

    LCD = 10

    2• (2x/5) - 5• (X/2) = 40

    4x/10 - 5x/10 = 40

    4x-5x/10 = 40

    -X/10 = 40

    10• (-X/10) = 40 • 10

    -X = 400

    -X/-1 = 400/-1

    X = - 400.

    I believe the solution is that X = - 400.
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