21+3j=9-(+3j)

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Solution for 21+3j=9-(+3j) equation: 



21+3j=9-(+3j)

We move all terms to the left:

21+3j-(9-(+3j))=0



We calculate terms in parentheses: -(9-(+3j)), so:

9-(+3j)

determiningTheFunctionDomain
-(+3j)+9

We get rid of parentheses

-3j+9

Back to the equation:

-(-3j+9)



We get rid of parentheses

3j+3j-9+21=0

We add all the numbers together, and all the variables

6j+12=0

We move all terms containing j to the left, all other terms to the right

6j=-12

j=-12/6

j=-2

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