You can put this solution on YOUR website! simple way would be to find the x,y-intercepts. Set each equal to 0 and solve
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3(0)-12x+6=0
-12x=-6
x=1/2, so x intercept would (1/2, 0)
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3y-12(0)+6=0
3y=-6
y=-2, so y intercept would be (0, -2)
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plot both points and draw a line through them.
You can put this solution on YOUR website! Good question--how?
I'm being snide.
What is it you need with this? we need clearer instructions or we can't help you.