# How do you solve 19 - h - h = -13?

Add the two $- h$:
$19 - 2 h = - 13$
isolate $h$;
$- 2 h = - 13 - 19$
$- 2 h = - 32$
divide both sides by $- 2$;
$h = - \frac{32}{-} 2 = 16$