Hi
Using the standard slope-intercept form for an equation of a line y = mx + b where m is the slope and b the y-intercept.
line having slopem = 2/3 and containing the point(8,-6)
y = (2/3)x + b
-6 = (2/3)*8 + b
-34/3 = b
y = (2/3)x - 34/3 or 2x-3y = 34 in standard form