Okay so you would just set the equations equal to each other.
2x+71=5x-16
Solve that you get -3x=-87
Divide 87 by 3 and you get 29 :)
Hope this helps!
I only know the answer for b
It could be anything you just need to keep everything the same except for the “+5”
So you could say
Y= 3x + 8
Answer:
The circumfrence is 14
Step-by-step explanation:
5m or m plus 5 equals a number