If c= 4i-1 and d= 8-5i, what is c-3d?

asked Feb 25, 2022 219k views

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Explanation:

The answer is: c=2 d=2 . Because: c+3d=8 c=4d−6. Let's substitue c from the second equation to the first: 4d−6+3d=8⇒7d=14⇒d=2.

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