3i-2=7

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Solution for 3i-2=7 equation: 



3i-2=7

We move all terms to the left:

3i-2-(7)=0

We add all the numbers together, and all the variables

3i-9=0

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

3i=9

i=9/3

i=3

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