Answer:
6x - y = -9
Explanation:
The point-slope form of an equation of a line:

m - slope
(x₁, y₁) - point on a line
We have

Substitute:


Convert to the standard form Ax + By = C:
use the distributive property a(b + c) = ab + ac
add 3 to both sides
subtract 6x from both sides
change all signs
