21+4j=85

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Solution for 21+4j=85 equation: 



21+4j=85

We move all terms to the left:

21+4j-(85)=0

We add all the numbers together, and all the variables

4j-64=0

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

4j=64

j=64/4

j=16

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