SOLUTION: Add the complex expression and simplify. Show all work please. (9+9.4i)+(-8.6-4i)

Question 467631: Add the complex expression and simplify. Show all work please.
(9+9.4i)+(-8.6-4i)
Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
Combine the real numbers and imaginary numbers separately.

(9 + 9.4i) + (-8.6 - 4i) =
Answer by ikleyn(52782) (Show Source): You can put this solution on YOUR website!
.

Ignore the post by @Penguin, since it is incorrect.

Take my correct solution below.

Combine the real numbers and imaginary numbers separately. (9 + 9.4i) + (-8.6 - 4i) = 0.4 + 5.4i. ANSWER

Solved.

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