You can put this solution on YOUR website! -x -y =3
-Y=X+3
Y=-X-3 THE Y INTERCEPT=(0,-3)
SETTING Y=0 & SOLVE FOR X WE GET:
0=-X-3
X=-3 THE X INTERCEPT=(-3,0)
PLOT THESE 2 INTERCEPTS & DRAW THE LINE BETWEEN THEM. (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x -3).