This is easy! Look at these parallel lines:
What do they have in common?

So, two lines are parallel if they have the same slope.
The problems in this section (and the next) are cool because they pull together a bunch of stuff I've shown you.
Check it out:
Let's find the equation of the line that passes through the point
( 3 , 5 ) and is parallel to the line  . 
* To get the equation of a line we need:
a point  which we have  
