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-20+15j=-11-9+15j
We move all terms to the left:
-20+15j-(-11-9+15j)=0
We add all the numbers together, and all the variables
15j-(15j-20)-20=0
We get rid of parentheses
15j-15j+20-20=0
We add all the numbers together, and all the variables
=0
j=0/1
j=0
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