Answer:
Point-slope formula:
y + 9 = 3(x - 2)
y + 9 = 3x - 6
-3x + y + 9 = -6
-3x + y = -6 + 9
-3x + y = 3
Standard form:
-3x + y = 3
Note: some people write standard form like this: -3x + y - 3 = 0. This is up to you if you consider this. But commonly, the first one is used.