.0000000083
( eight zeros.)
There are numerous ways you can do this, but take a look at the attachment to see how I did it. I hope it answers your question! :)
So first +9 to both sides to isolate the variable. Then you’ll be left with 10 is greater than or equal to x. So if you switch the terms around it’ll be x is less than or equal to 10. Values that are less than or equal to 10 are like 10,9,8,7,etc.
Doing an X and Y table i do not see that they will have the same amount. Adrian will always have 4 more comic books than Roy