20-01-2015
Mathematics

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2-3/4k=1/8k+9 xxxxxxxx

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20-01-2015

[tex]2-\frac{3}{4}k=\frac{1}{8}k+9 \\ -\frac{3}{4}k-\frac{1}{8}k=9-2 \\ -\frac{6}{8}k-\frac{1}{8}k=7 \\ -\frac{7}{8}k=7 \\ k=7 \times (-\frac{8}{7}) \\ k=-8[/tex]

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