You can put this solution on YOUR website! So (0,9) is one point.
Slope is change in y over change in x.
So if I move 3 units in the x direction, then I move 3(3)=9 units in the y direction.
(0,9)+(3,9)=(3,18)
(3,18) is another point on the line.
Plot the points and join them with the line.
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