Question

Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this.

2x – y = 4
5x – y = 13

I do not understand how to do this

Answer 1

https://www.wolframalpha.com/input/?i=plot+y%3D2x-4+and+y%3D5x-13

Answer 2

http://www.wolframalpha.com/input/?i=plot+y%3D2x-4+and+y%3D5x-13

Answer 3

x = 3 , y = 2 is the intersection