Respuesta :

tonb
Filling in y=1+i without the missing term yields -3-4i.

-3-4i = -3(1+i) - i

So we have to add 3(1+i) to get to -i.

3(1+i) = 3y, so 3y is the answer.
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Answer:3y is the answer

Step-by-step explanation:

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