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
249863.73/216.06
=115.6471
Answer:
Here we can see they are vertically opposite angles so x = 35°
well if you add in to the number that you have for example as the question you put up 2+2 it will add up all together to make up 4