Answer:
hope it will help you
Step-by-step explanation:
follow me and like it.
Answer:
The perimeter is 99
Step-by-step explanation:
you do 11x9=99
Given: 7r+3r-8=8+2r
Simplify: 10r-8=8+2r
Addition: add 8 to each side: 10r=16+2r
Subtraction: Take 2r from each side: 8r=16
Division: Divide each side by 8 for answer: r=2
Answer: r=2