You can put this solution on YOUR website! Y=-X+3
Y=X+1 (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -x +3, y = x +1 ).
THE PLOTTING OF THESE TWO EQUATIONS SHOW THE SOLUTION AS X=1 & Y=2 WHERE THE TWO LINES INTERSECT.