<PRE><B>Question 938827</B>
the standard slope-intercept form for an equation of a line is 
{{{y = highlight_green(m)x + highlight(b)}}}  where m is the slope and b the y-intercept.  
12x-6y = 18
0r
{{{y = highlight_green(2)x - highlight(3)}}} P(0, -3) and P(1,-1) on this line.
Plot Points and connect with a line
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), 
circle(0, -3,0.3),
circle(1,-1, 0.3),
graph( 300, 300, -6, 6, -6, 6,0, 2x-3) )}}}
</PRE>