Question

-13=r/9+8 find the value of r​

Answer 1

-13=r/9+8

r= -198 answer is in photo

Answer 2

Answer:

$- 13 = \frac{r}{9} + 8 \\ \\ = > - 13 = \frac{r + 72}{9} \\ \\ = > - 13 \times 9 = r + 72 \\ \\ \\ = > - 117 = r + 72 \\ \\ \\ = > r = - 117 - 72 = > - 189$

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