You can put this solution on YOUR website! Graph the line with slope 3/4 passing through the point (5,5)
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It's a straight line, so 2 points are needed.
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Plot the point (5,5).
Then, add 3 to the y and 4 to the x values of (5,5) and plot that point.
Draw a line thru them.
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Fortunately, someone did it for you, so you can avoid learning anything.