The two line equation are
.
The line equation is in the form
where m is the slope and b is the y - intercept of the equation of graph.
The equation
is already adjusted in the form
where
.
Rewrite the equation
in slope - intercept form by solving for y.
Subtract x from each side.
\

Divide each side by 2.
\

The equation
is in the form
where
.
The two lines
have same slopes, so they are parallel.
The two lines
graph is

The two lines
are parallel their graph is
