You can
put this solution on YOUR website!Solve the system of equations:
1)

2)

Your suggestion is a good one.
1a)

1a)

2a)

2a)

Now add equations 1a) and 2a)
1a)

2a)

------------------------
3)

so y = 0 Now substitute this value for y into either of the two original equations and solve for x.
1)

Set y = 0

Divide both sides by 3.

The solution is: (4, 0)
Here's the graph showing the intersection (solution).