The solution is the point where the two lines cross.
Read this first — it covers the idea in plain language with a worked example.
Where do y = x + 1 and y = -x + 3 intersect?
Special cases
Parallel lines never cross → no solution. Identical lines overlap everywhere → infinitely many solutions.
A short video that walks through this topic.
Try a worksheet or work through some problems before the quiz.
A couple of questions to make sure this topic stuck. Retake as many times as you want.
Systems by Graphing
The solution to a system of two lines is found where the lines do what?
