12i-3=9i+27

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Solution for 12i-3=9i+27 equation: 



12i-3=9i+27

We move all terms to the left:

12i-3-(9i+27)=0

We get rid of parentheses

12i-9i-27-3=0

We add all the numbers together, and all the variables

3i-30=0

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

3i=30

i=30/3

i=10

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