3i+7=-20

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Solution for 3i+7=-20 equation: 



3i+7=-20

We move all terms to the left:

3i+7-(-20)=0

We add all the numbers together, and all the variables

3i+27=0

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

3i=-27

i=-27/3

i=-9

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