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grade 9th math question plzzz?

find x, y, z, t are integer that 1/x + 1/y +1/z + 1/t = 1

explain plzz i want to know how can you find them......

1 Answer

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  • 9 years ago
    Favorite Answer

    x=y=z=t=4

    x=2, y=4, z=t=8

    x=2, y=z=t=6

    x=y=3, z=t=6

    x=2, y=3, z=t=12

    x=2, y=3, z=7, t=42

    I'm just observing fractions — I wouldn't say I was working to a pattern.

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