How do you solve x-2y=-2 and x-2y=3 by graphing?
1 Answer
Mar 26, 2015
For
Draw a straight line through both of these points on graph paper.
Similarly for
and draw another line through this pair of points.
The solution is where the two lines cross (except, of course, in this case, the two lines do not cross since they are parallel and there is no solution for this pair of equations).