Respuesta :

First we need to place the j on one side only

So we can move "j" from left to right, doing the opposite operation

[tex]6=-9+7j-4j[/tex]

We can do the same for -9

[tex]6+9=7j-4j[/tex]

We can operate the terms that have j and do the sum to the both sides

[tex]15=3j[/tex]

Then, to leave

RELAXING NOICE
Relax