You can put this solution on YOUR website! Plot the y-intercept (0,-3)
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Use the slope to calculate another point on the line.
The slope is change in y divide by change in x.
Take 1 step in x, the line takes 2 step in y (slope=2).
Start at (0,-3)
(0,-3)+(1,2)=(1,-1)
Plot (1,-1).
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Now connect the two points with a line.
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