How can you generate x-3y+5 from the expression x+y+4+2y+1

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.