21-8i=69

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Solution for 21-8i=69 equation: 



21-8i=69

We move all terms to the left:

21-8i-(69)=0

We add all the numbers together, and all the variables

-8i-48=0

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

-8i=48

i=48/-8

i=-6

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