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.

Rewrite the equation in slope - intercept form by solving for *y*.

Subtract 1 from each side.

Multiply each side negative one.

The equation is in the form where .

Rewrite the equation in slope - intercept form by solving for *y*.

Add 4*x* from each side.

Multiply each side negative one.

.

The equation is in the form where .

The two lines have same slopes, so they are parallel.

Yes, the two lines are parallel.

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