# How do you find the slope of a line parallel to 3x+5y=15?

##### 1 Answer
May 23, 2015

Two lines are parallel if they have the same slope. The slope of a line written is implicit form, $a x + b y + c = 0$, is $m = - \frac{a}{b}$, so:

$m = - \frac{3}{5}$.