Question: How do I enter equation and plot?

I am brand new to Maple and am having difficulty with the syntax for entering an equation and plotting.

Can anyone assist me with the syntax for the following (the equation syntax and plot syntax):

Given that the slope of a line is -3 and passes through the point (1,4), find the equation of the line in slope- intercept form and plot the line.

 

I have already worked the problem by hand; x=2.333, y=7 and I need to plot the line through points 1,4.

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