You can put this solution on YOUR website! graph the following : 4x-6y=-12
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It's a straight line, so you need 2 points.
The easiest way is to find the intercepts:
@ x = 0, y = 2 --> (0,2)
@ y = 0, x = -3 --> (-3,0)
Plot the 2 points, draw a line thru them.