SOLUTION: i need help because my cst is tomorrow and i do not know how to do it my problem is which expression is equivalent to the sum of the complex numbers (7x+3i) and (4x-2i)

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Question 609329: i need help because my cst is tomorrow and i do not know how to do it
my problem is which expression is equivalent to the sum of the complex numbers (7x+3i) and (4x-2i)
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
i need help because my cst is tomorrow and i do not know how to do it
my problem is which expression is equivalent to the sum of the complex numbers (7x+3i) and (4x-2i)
------------
(7x+3i) + (4x-2i)
Add the real parts
7x + 4x = 11x
----
Add the imaginary parts
3i + (-2i) = i
----
--> 11x + i

Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
To add complex numbers, you must add the real
numbers separate from the imaginary numbers
+ =
+ =
answer