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3+9i/1+i=0
We add all the numbers together, and all the variables
i+9i/1+3=0
We multiply all the terms by the denominator
i*1+9i+3*1=0
We add all the numbers together, and all the variables
9i+i*1+3=0
Wy multiply elements
9i+i+3=0
We add all the numbers together, and all the variables
10i+3=0
We move all terms containing i to the left, all other terms to the right
10i=-3
i=-3/10
i=-3/10
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