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Solving a system of linear equation in two variables

The solution ...

Question

The solution set of the system of equations $2 x + y = 6$ and $4 x + 2 y = 5$ is

(x, y) / 2 x + y = 6; x, y \in R

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(x, y) / 2 x + y = 0; x, y \in R

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Solution

The correct option is C $ϕ$
$\begin{matrix} M u l t i p l y f i r s t e q u a t i o n b y 2 a n d s u b s t r a c t sec o n d e q u a t i o n f r o m f i r s t 4 x + 2 y = 12 4 x + 2 y = 5 - - n o s o l u t i o n \end{matrix}$

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