Question 75565
The easiest way to graph a line is in slope-intercept form. {{{y=mx+b}}}
{{{x-y=4}}}
{{{-y=-x+4}}}
multiply by -1 because y must be positive
{{{y=x-4}}}
your slope of the line is 1
y-intercept is -4

The graph would look like:
{{{graph(500,500,-10,10,-10,10,x-4)}}}
Hope this helps!