You can
put this solution on YOUR website!Because these equations are given in standard form, it's easiest to graph each of these by the TWO INTERCEPT METHOD.
x-y=-5
If x=0, then -y=-5, so y=5
If y=0, then x=-5
2x-6y=-18
If x=0, then -6y=-18, so y=3
If y=0, then 2x=-18, so x=-9
Graph these points and connect the respective dots! It should look like this:

It looks like the graphs cross at x=-3 and y=2. Therefore the solution set is the point { (-3,2) }
R^2 at SCC