Question 298889
-x-3y=3
-3y=x+3
y=x/-3+3/-3
y=-x/3-1
y intercept=-1 (0,-1)
Setting y=0 & solve for the x intercept. 
0=-x/3-1
-x/3=1
-x=3*1
x=-3 the x intercept. (-3,0)
{{{ graph( 300, 200, -6, 5, -10, 10, -x/3 -1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x/3 -1).