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
[tex]7r+3r-8=8+2r\\\\10r-8=8+2r\ \ \ \ |+8\\\\10r=16+2r\ \ \ \ |-2r\\\\8r=16\ \ \ \ |:8\\\\\boxed{r=2}[/tex]
