MrGiggles MrGiggles

15-06-2016
Mathematics

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Find x and y. 6x+7iy=18-21i
a.x = 3, y = -3c.x = -5, y = 6b.x = 8, y = -1d.x = 6, y = 18

Respuesta :

15-06-2016

Hello,

6x+7iy=18-21i
==>
6x=18==>x=3
and
7y=-21==>y=-3

Answer A

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