Daily PWN 031 – PWN Test Prep

$\begin{align*}3x+y&=11\\10x-2y&=2\end{align*}$
The system of equations shown above has solution $(x,y)$ . What is the value of $xy$ ?

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Comments (1)

I just cut the second equation in half to get a y = 5x-2 then subsitution…