With the picture I've provided above, you are able to see the graph for 2/5x - 1/5y greater than or equal to 0.
Looking at the graph, you are able to detect many points that can be true to this equation.
(5,1) could be one point.
Looking at the graph, you are able to detect many points that can be true to this equation.
(5,1) could be one point.