Answer
Answers may vary; however, the answer provided is only a small sample of possible answers.
$y = x + 4$, $y = x -10$
Work Step by Step
Two lines are parallel if they have the same slope.
The slope of $y = x + 4$ is 1, and the slope of $y = x - 10$ is also 1. $1 = 1$, so the lines are parallel.