Question

I have this equation, but I am not sure what to do (QUESTION IT COMMENTS)

Answer 1

I have the equation:
\[5=z(9+3i)\]
When I showed my teacher, he swapped it to:
\[z=\frac{5}{9+3i}\]
What did he do?

Answer 2

I don't need to solve, I just have no idea what he just did.

Answer 3

no rocket science here

Answer 4

Wow, how did I not see that :P
Thanks alot. I was doing this:
\[5=z(9+3i)\]
\[\frac{5}{z}=9+3i\]
Thats where I was stuck. Thanks for that!

Answer 5

lol