Answer:
-10 is right answer
Step-by-step explanation:
see in attached picture
hope it helped you:)
[tex] \frac{r}{2} + 2 = - 3[/tex]
[tex] = ) \frac{r + 4}{2} = - 3[/tex]
[tex] = )r + 4 = - 6[/tex]
[tex] = )r \: = - 6 - 4[/tex]
[tex] = )r \: = - 10[/tex]
