You can put this solution on YOUR website! Y=(2/3)X-6 TO FIND THE X INTERCEPT SET Y=0.
0=(2/3)X-6
2X/3=6 NOW CROSS MULTIPLY.
2X=6*3
2X=18
X=18/2
X=9 THUS THE X INTERCEPT IS (9,0) (graph 300x300 pixels, x from -10 to 10, y from -10 to 10, y = 2x/3 -6).