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# Imaginary numbers and simultaneous equations

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1. How do you solve

3z + w = -9 + 8i
z + iw =7i
2. (Original post by intesar)
How do you solve

3z + w = -9 + 8i
z + iw =7i
Rearrange eq. 2 for and plug it into the first one to solve for .
3. Or: multiply second equation by 3 and then subtract the two equations.

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Updated: September 19, 2016
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