sarahmaria42 sarahmaria42

18-12-2014
Mathematics

contestada

help please k/2+9=30

Respuesta :

18-12-2014

[tex]\frac{k}{2}+9=30\ \ \ | subtract\ 9\\\\ \frac{k}{2}=21\ \ \ | multiply\ by\ 2\\\\ k=42\\\\Solution\ is\ 42.[/tex]

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