#### Answer

$5x+2y=5$

#### Work Step by Step

When two lines are parallel in standard form, the left side of the equation is the same. Thus, we solve for the new constant on the right side of the equation:
$5x+2y = c \\ 5(-1)+2(5) = c \\ c= 5 $
Thus, we find:
$5x+2y=5$