The two points are
.
Substitute the values of
in the slope formula
.
.
Substitute the values of
in the point - slope form of the equation
where m is the slope and
is any point on the line.

.
Multiply each side by 3.
\

Apply distributive property:
. \ \

Subtract 3y from each side.
\
.
This is the standard form of line equation.
The point - slope form of the line equation is
and the standard form of line equation is
.