a+b when a=4 and b=7
5x when x=6
10-m when m=2
when y=24
when x=2
when y=4 and x=3
when a=10
when m=7 and p=10
when y=7 and x=2
when x=1
when x=1 and y=5
when x=4
when x=16
when a=1, b=9 and x=3
when y=3