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28 June, 12:28

Find x and y. 6x+7iy=18-21i

a. x = 3, y = - 3c. x = - 5, y = 6 b. x = 8, y = - 1d. x = 6, y = 18

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  1. 28 June, 12:37
    0
    Hello,

    6x+7iy=18-21i

    ==>

    6x=18==>x=3

    and

    7y=-21==>y=-3

    Answer A
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