Answer:
r= [tex]\frac{-23}{2\\}[/tex]
Step-by-step explanation:
Answer: r= -11.5
Combine like terms
-1 -2r -11 = 11
-12-2r = 11
Add 12 to both sides
-2r=23
Divide by -2 on both sides
r= -11.5
Hope this helps!
