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2 January, 15:04

3/5n 9/10=1/5n-23/10

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  1. 2 January, 16:04
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    (3/5n) (9) 10=1/5n-23/10

    27/50n=1/5n+-23/10

    Subtract 1/5n from both sides.

    27/50n-1/5n=1/5n+-23/10-1/5n

    17/50n=-23/10

    Multiply both sides by 50/17.

    (50/17) * (17/50n) = (50/17) * (-23/10)

    n=-115/17
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