2x+1-y+2 if x=1 and y=2

Question

can you please evaluate this problem for me and show all your work so I can see how it is done. thank you

Answer 1

2x+1-y+2 if x=1 and y=2

start with:

2x+1-y+2

substitute x for a 1 and substitute y for a 2:

2(1)+1-2+2

2+1-2+2

3-2+2

1+2

3