Answer:
r = 26
Step-by-step explanation:
Let's solve the problem,
→ 0.5r + 5 = r - 8
→ r - 0.5r = 5 + 8
→ 0.5r = 13
→ r = 13/0.5
→ [ r = 26 ]
So, the value of r is 26.
