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21 February, 13:03

Solve 7k+2m=kr+4m+3 for k

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  1. 21 February, 16:59
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    7k + 2m = kr + 4m + 3

    7k - kr = 4m - 2m + 3

    7k - kr = 2m + 3

    k (7 - r) = 2m + 3

    k = (2m + 3) / (7 - r)
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