You can put this solution on YOUR website! I am going to try and explain this the best i can...
slope intercept form= y=mx+b
plug in your equation you get..y=3/4x-2
so -2 is your y-intercept..so plot that point on your graph (bear with me)
so draw a graph and place a point at -2 (remember your y line is the vertical one) then plot your slope to form a line.
now just in case..know that your slope is rise/run
so you are going to RISE 3 and RUN 4
your slope is positive so keep that in mind;)