7 + (x + 2y)i = x + 3i where x and y are real numbers

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jaynaynay9163 jaynaynay9163

09-09-2017
Mathematics

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7 + (x + 2y)i = x + 3i where x and y are real numbers

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Аноним Аноним · Answer 1 · 2017-09-09T06:44:49+02:00

7 + (x + 2y)i = x + 3i

Equating the real and imaginary parts of the expression.

7 = x x + 2y = 3

7 + 2y = 3

2y = 3 - 7

2y = - 4

y = [tex] \frac{-4}{2} [/tex]

y = -2

Hence, x is 7 and y is -2.