what is (9,7) with a slope of 3 be in point-slope form?

Answer 1

(9 , 7), (x , y), m = 3.
m = (y - 7) / (x - 9) = 3,
Cross multiply:
(y - 7) = 3 (x - 9).

Answer 2

Y= 7 7=3(9)+b
m=3 7=27+b
x=9 27 27
b=-20 -20=b
y=3x-20