Question

-13 = $\frac{r}{9}$ +8

what is r?

Answer 1

Answer:

$- 13= \frac{r}{9} + 8 \\ \frac{r}{9} = - 13 - 8 \\ \frac{r}{9} = - 21 \\ r = 9 \times - 21 \\ r = - 189$

I hope I helped you^_^