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28 November, 18:48

Is the equation true, false or open

9p+8=10p+7

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  1. 28 November, 19:18
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    9p+8=10p+7

    (minus 9p from both sides)

    8=p+7

    (minus 7 from both sides)

    1=p

    (9x1) + 8 = (10x1) + 7

    9+8=10+7

    17=17

    The eqation is true.
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