Question

solve each system by graphing
2x-y=4
5x-y=13

Answer 1

get two point for each line
2x-y = 4 ----> (0,-4) and (2,0) , I used the intercepts
5x-y = 13 ----> (0,-13) and (2,-3)

Plot each pair and join with a line extended, see where they intersect