12-04-2016
Mathematics

contestada

If 4i(-3-yi)+7=27-12i,what is the value of y

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konrad509 konrad509

12-04-2016

[tex]4i(-3-yi)+7=27-12i\\ -12i+4y+7=27-12i\\ 4y=20\\ y=5 [/tex]

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