Okay this isn’t a answer , and if I knew any of this advanced math I would help . But are these files that people are commenting even safe ??
Answer:
3700 m.
Step-by-step explanation:
3.7km= 3.7* 1000
3.7 km = 3700 m
Answer: Here is the explanation. also it it +3y not -3y
Step-by-step explanation:
x+y+4+2y+1=x+3y+5 because
2y+y=3y
so now you have x+3y+4+1
4+1=5
now you have: x+3y+5
if you do not understand, What i am trying to say is, you need to add all of the same things.