Daily PWN 121 – PWN Test Prep

$\begin{align*}x+4y&=n\\5x-y&=3\end{align*}$

In the system of equations above, $n$ is a constant. In terms of $n$ , what is the $x$ value of the solution to the system?
A) $\dfrac{n+3}{6}$

B) $\dfrac{5n+7}{4}$

C) $\dfrac{4n+3}{9}$

D) $\dfrac{n+12}{21}$

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