Question

$6 = - \frac{r}{3} \: solve \: for \: r$

Answer 1

r = - 18

multiply both sides by 3 to eliminate the fraction

3 × 6 = - r ⇒ 18 = - r ⇒ r = - 18

Answer 2

Hi!

$6=-\frac{r}{3}$

$-\frac{r}{3}=6$

$3(-\frac{r}{3})=6*3$

$-r=18$

$\frac{-r}{-1}=\frac{18}{-1}$

$r=-18$

Hope this helps!

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-Charlie