what is a point-slope equation of the line with slope -12 that goes through the (5,3)

Answer 1

(y - 3) / (x - 5) = -12

or

(y - 3) = -12(x - 5)

Answer 2

y = -12x + b

3 = -12*5 + b = -60 + b

b = 63

so: y = -12x + 63