To find the equation of a line that runs parallel to another line, just follow these easy steps:

1. Find the Slope: First, look at the slope (we call it $m$) of the line you're starting with.

   Remember, lines that are parallel have the same slope.

2. Use the Point-Slope Formula: If you have a point where the new line will go through, like $(x_1, y_1)$, you can use this formula: $y - y_1 = m(x - x_1)$

3. Simplify: If you change the equation around a bit, you can get it into the slope-intercept form ($y = mx + b$) or whatever type you need.

Just remember, keep that slope the same! Happy calculating!