Question 430758
x+y=2
y-x=10

{{{drawing(300,300,-10,10,-10,10,circle(0,2,0.3),circle(2,0,0.3),circle(0,-10,0.3),circle(-10,0,0.2),graph(300,300,-10,10,-10,10,y=-x+2,y=x+10))}}}

The solution is (-4,6)