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30 July, 13:52

Solve for x: 3 over 3x + 1 over x+4 = 10 over 7x

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  1. 30 July, 13:53
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    Step-by-step explanation:

    3/3x + 1/x+4 = 10/7x

    3/3x + 1/x+4 = 10/7x, x=0, x=-4

    1/x + 1/x+4 = 10/7x

    1/x + 1/x+4 - 10/7x = 0

    7 (x+4) + 7x-10 (x+4) / 7x * (x+4) = 0

    7x+28+7x-10x-40 / 7x * (x+4) = 0

    4x-12 / 7x * (x+4) = 0

    4x-12=0

    4x-=12

    x=3, x=0, x=-4

    x=3
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