There are 3 complex numbers $a+bi$, $c+di$, and $e+fi$. If $b=3$, $e=-a-c$, and the sum of the numbers is $2i$, find $d+f$.
The sum of the numbers is 2i:
\(b+d+f = 2\)
\(d + f = \boxed{-1}\)
+206 
+1223 
