solve by graphing 2x+y=1 and x-y=2

2X + Y = 1. (0 , 1), (2 , -3),(3 , -5)

X - Y = 2. (0 , -2), (2 , 0), (4 , 2)

Use the given points to graph the Eqs
on the same graph. The point of intersection is the solution.