The answer would be 23i.
Simplify ( 26 + 16i - 26 + 7i )
Gather like terms ( 26 - 26 ) + (16i + 7i)
Simplify (23i)
You can check the following
C=4
C=5
C=11
It is Rong the answer is 2
Can you retype this? It's kind of hard to understand what you are saying
This is how the first one would be done. sorry if it’s a little messy the answer is 9. but try using photomath for the rest. it gives you the answer and explains how to do it