# How do you simplify -2 + 4 - (-5) - (-9) ?

Jun 13, 2015

 color(blue)(16
$- 2 + 4 - \left(- 5\right) - \left(- 9\right)$
$= - 2 + 4 + 5 + 9$
$= - 2 + 18$
 = color(blue)(16