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Find the values of x and y

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Find the values of x and y so that (x +2y)+5i=9-yi.

complex-numbers
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asked Sep 20, 2018 in PRECALCULUS by anonymous

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1 Answer

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(x +2y)+5i=9-yi.

Compare the real and imaginary parts.

x+2y =9 ....... (1)

5=-y

y =-5

Substitute -5 for y.

x+2(-5) =9

x-10=9

x=9+10

x=19

Therefore, the x and y values are 19 and -5

answered Oct 5, 2018 by lilly Expert

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