You can put this solution on YOUR website!
-2 Does not equal 7. Therefore (4,3) is not an answer.
y=-.5x+-3.5 This is the line formula.
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -.5x -3.5).
As you can see the point (4,3) is not on the line. Therefore they are not a solution.