14-08-2014
Mathematics

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how do you do this equation? 9x+(y)i-5=-12+4

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Аноним Аноним

17-08-2014

[tex]9x+yi-5=-12+4\\\\(9x-5)+yi=-13\iff9x-5=-13\ and\ y=0\\\\9x=-13+5\\9x=-8\\x=-\frac{8}{9}\\\\Answer:x=-\frac{8}{9}\ and\ y=0.[/tex]

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