What is the answer to x-yi=4+7i ?

The answer to x-yi=4+7i is x=4,y=-7

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x-yi=4+7i

x - y i = 4 + 7 i

x = 4, y = - 7

Solution steps

x - y i = 4 + 7 i

Complex numbers can be equal only if their real and imaginary parts are equalRewrite as system of equations:

[x = 4 - y = 7]

[x = 4 - y = 7] : x = 4, y = - 7

x = 4, y = - 7

\frac{1}{i C} = - 0.035 i

x + i y + i x + y = 2 + i

(3 x - 2 y i)^{2} = \frac{200}{4 + 3 i}

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

x^{2} = 16 i