If we're just evaluating the function for the given values of x&y, the answer is 11.5
X+y=0 :) I think hope it helps
9+2/3x<1
-9 -9
cross 9-9 out and your 1 becomes a -8
and left with
2/3x<-8
multiply 3 by 2/3 and that cancels 2/3 out. also multiply 3 by your -8
x = -24