30-09-2014
Mathematics

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1/4 - 1/2r = - 3/4r how do I solve this please help.......

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mariamikayla mariamikayla

30-09-2014

\(\frac{1}{4}^{(r}-\frac{1}{2r}^{(2}=-\frac{3}{4r} \\\\ r-2=-3 \\\\ r=-3+2 \\\\ \boxed{r=-1}\)

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