Instead of doing your problem for you, I'll do one exactly in every detail like
yours.  Use it as a model for your problem. The problem I will do is this:

First we find the slope m using the slope-formula:

 







Substitute (x1,y1) = (-14,15) and m = -6/7 into

y - y1 = m(x - x1)

y - (15) = (-6/7)(x - (-14))



That's it in point-slope form.  

If they had said to write your answer in slope-intercept 
form you would have had to take it further to the form y=mx+b:
 y-15=(-6/7)x-12
 y=(-6/7)x+3

Edwin
 

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