Answer :

luana
[tex]4k+mn=n\ \ \ |Subtract\ mn\\\\ 4k=n-mn\ \ \ |Put\ n\ in\ front\ of\ the\ bracket\\\\ 4k=n(1-m) \ \ \ |Divide\ by\ (1-m)\\\\ \frac{4k}{1-m}=n\\\\ Solution\ is\ n= \frac{4k}{1-m}.[/tex]

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