You can put this solution on YOUR website! 3y-9x=30
3y=9x+30
y=9x/3+30/3
y=3x+10
Y=mX+b IS THE STANDARD LINE FORMULA WHERE m=SLOPE & b=THE Y INTERCEPT.
THIS LINE HAS A SLOPE (m=3) & A Y INTERCEPT (b=10) (graph 300x200 pixels, x from -6 to 5, y from -10 to 12, 3x +10).