x=2
y=4
n=3
(n/2)+3=4
6y-7=11
x=4
4x-4=12
y=3
y=2
-5y-3=-23
3n+2=11
x+1=3
5y-4=6
8x+2=26
n=4
x=3
(3n/2)-2=4
n=2
