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

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

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User Jasha
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9x+yi-5=-12+4\\\\(9x-5)+yi=-13\iff9x-5=-13\ and\ y=0\\\\9x=-13+5\\9x=-8\\x=-(8)/(9)\\\\Answer:x=-(8)/(9)\ and\ y=0.
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User Hohner
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