You can put this solution on YOUR website! 3x > 7x + 20
This means 0 > 7x - 3x + 20
<-> 0 > 4x + 20
<-> -20 > 4x
<-> -5 > x
You have to look for every x that is smaller then -5.
Try to draw the graph yourself now, it's not that hard.
(hint: draw a vertical line at x=-5 and look to the area on the left of that line)
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