Answer each of the following questions in one word or one sentence or as per exact requirement o...

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Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
If \( \left[\begin{array}{ll}1 & 0 \\ y & 5\end{array}\right]+2\left[\begin{array}{rr}x & 0 \\ 1 & -2\end{array}\right]=I \), where \( I \) is \( 2 \times 2 \) unit matrix. Find \( x \) and \( y \).
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