If \( 2\left(\begin{array}{ll}3 & 4 \\ 5 & x\end{array}\right)+\lef...

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If \( 2\left(\begin{array}{ll}3 & 4 \\ 5 & x\end{array}\right)+\left(\begin{array}{ll}1 & y \\ 0 & 1\end{array}\right)=\left(\begin{array}{cc}7 & 0 \\ 10 & 5\end{array}\right) \), then:
\( \mathrm{P} \)
(1) \( x=2, y=-6 \)
(2) \( x=2, y=-6 \)
(3) \( x=2, y=-8 \)
(4) \( x=-2, y=8 \)
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