Question

p]
p

Answer 1

We have:
\[y \le-2x+3\]
\[y <\frac{ x-4 }{ 2 }\]
The best way to approach this kind of problem is with a picture:

Answer 2

Super ugly picture, but anyways you see what's the idea.
Now, you want to find a point in the area which I crossed on the graph.