You can put this solution on YOUR website! Maybe you are expected to graph the lines to find the intersection.
The usual problem is you are given a system of equations and asked to find the solution graphically.
It could be something like .
To graph the line for each equation, you may find the coordinates of two points, plot those points, and connect them with a straight line.
You graph both lines; figure out what the intersection seems to be from the graph,
and then verify that the coordinates of the apparent solution point really satisfy both equations. The lines intersect at , the point with .