
First find the slope,
\
(Substitute:
)
(Product of two same signs is positive)
(Additive identity proparty:
)
(Divide: 
)
Substitute slope and coordinates of either point in point-slope form line equation.
(Substitute :
)
(Multiply:
)
(Additive identity proparty:
)
The point-slope form line equation is
.